diff --git a/Cargo.lock b/Cargo.lock
index a83cd9369..81110ddeb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7,7 +7,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78d1833b3838dbe990df0f1f87baf640cf6146e898166afe401839d1b001e570"
 dependencies = [
  "bitflags",
- "bytes",
+ "bytes 0.5.6",
  "futures-core",
  "futures-sink",
  "log",
@@ -40,21 +40,23 @@ dependencies = [
 
 [[package]]
 name = "actix-cors"
-version = "0.4.1"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3e5c769e4d332bfad27f11b8139b5818c4bbddb02c385b8f16344d93ff1a8eb"
+checksum = "3f3a3d5493dbc9b8769fe88c030d057ef8d2edc5728e5e26267780e8fc5db0be"
 dependencies = [
- "actix-service",
  "actix-web",
  "derive_more",
  "futures-util",
+ "log",
+ "once_cell",
+ "tinyvec 1.0.1",
 ]
 
 [[package]]
 name = "actix-http"
-version = "2.1.0"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "404df68c297f73b8d36c9c9056404913d25905a8f80127b0e5fe147c9c4b9f02"
+checksum = "452299e87817ae5673910e53c243484ca38be3828db819b6011736fc6982e874"
 dependencies = [
  "actix-codec",
  "actix-connect",
@@ -66,7 +68,7 @@ dependencies = [
  "base64 0.13.0",
  "bitflags",
  "brotli2",
- "bytes",
+ "bytes 0.5.6",
  "cookie",
  "copyless",
  "derive_more",
@@ -92,7 +94,7 @@ dependencies = [
  "regex",
  "serde",
  "serde_json",
- "serde_urlencoded",
+ "serde_urlencoded 0.7.0",
  "sha-1 0.9.1",
  "slab",
  "time 0.2.22",
@@ -221,7 +223,7 @@ dependencies = [
  "actix-rt",
  "actix-service",
  "bitflags",
- "bytes",
+ "bytes 0.5.6",
  "either",
  "futures-channel",
  "futures-sink",
@@ -233,9 +235,9 @@ dependencies = [
 
 [[package]]
 name = "actix-web"
-version = "3.1.0"
+version = "3.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1b12fe25e11cd9ed2ef2e428427eb6178a1b363f3f7f0dab8278572f11b2da1"
+checksum = "e641d4a172e7faa0862241a20ff4f1f5ab0ab7c279f00c2d4587b77483477b86"
 dependencies = [
  "actix-codec",
  "actix-http",
@@ -250,7 +252,7 @@ dependencies = [
  "actix-utils",
  "actix-web-codegen",
  "awc",
- "bytes",
+ "bytes 0.5.6",
  "derive_more",
  "encoding_rs",
  "futures-channel",
@@ -259,12 +261,12 @@ dependencies = [
  "fxhash",
  "log",
  "mime",
- "pin-project 0.4.27",
+ "pin-project 1.0.1",
  "regex",
  "rustls",
  "serde",
  "serde_json",
- "serde_urlencoded",
+ "serde_urlencoded 0.7.0",
  "socket2",
  "time 0.2.22",
  "tinyvec 1.0.1",
@@ -273,9 +275,9 @@ dependencies = [
 
 [[package]]
 name = "actix-web-codegen"
-version = "0.3.0"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "750ca8fb60bbdc79491991650ba5d2ae7cd75f3fc00ead51390cfe9efda0d4d8"
+checksum = "ad26f77093333e0e7c6ffe54ebe3582d908a104e448723eec6d43d08b07143fb"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -372,16 +374,17 @@ checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "awc"
-version = "2.0.0"
+version = "2.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "150e00c06683ab44c5f97d033950e5d87a7a042d06d77f5eecb443cbd23d0575"
+checksum = "b381e490e7b0cfc37ebc54079b0413d8093ef43d14a4e4747083f7fa47a9e691"
 dependencies = [
  "actix-codec",
  "actix-http",
  "actix-rt",
  "actix-service",
- "base64 0.12.3",
- "bytes",
+ "base64 0.13.0",
+ "bytes 0.5.6",
+ "cfg-if 1.0.0",
  "derive_more",
  "futures-core",
  "log",
@@ -391,7 +394,7 @@ dependencies = [
  "rustls",
  "serde",
  "serde_json",
- "serde_urlencoded",
+ "serde_urlencoded 0.7.0",
 ]
 
 [[package]]
@@ -537,13 +540,19 @@ version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0e4cec68f03f32e44924783795810fa50a7035d8c8ebe78580ad7e6c703fba38"
 
+[[package]]
+name = "bytes"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0dcbc35f504eb6fc275a6d20e4ebcda18cf50d40ba6fabff8c711fa16cb3b16"
+
 [[package]]
 name = "bytestring"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc7c05fa5172da78a62d9949d662d2ac89d4cc7355d7b49adee5163f1fb3f363"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
 ]
 
 [[package]]
@@ -749,6 +758,25 @@ dependencies = [
  "scopeguard",
 ]
 
+[[package]]
+name = "crossbeam-queue"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c979cd6cfe72335896575c6b5688da489e420d36a27a0b9eb0c73db574b4a4b"
+dependencies = [
+ "crossbeam-utils 0.6.6",
+]
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.6.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04973fa96e96579258a5091af6003abde64af786b860f18622b82e026cca60e6"
+dependencies = [
+ "cfg-if 0.1.10",
+ "lazy_static",
+]
+
 [[package]]
 name = "crossbeam-utils"
 version = "0.7.2"
@@ -794,12 +822,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "data-encoding"
-version = "2.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4d0e2d24e5ee3b23a01de38eefdcd978907890701f08ffffd4cb457ca4ee8d6"
-
 [[package]]
 name = "debugid"
 version = "0.7.2"
@@ -891,7 +913,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "44533bbbb3bb3c1fa17d9f2e4e38bbbaf8396ba82193c4cb1b6445d711445d36"
 dependencies = [
  "atty",
- "humantime",
+ "humantime 1.3.0",
+ "log",
+ "regex",
+ "termcolor",
+]
+
+[[package]]
+name = "env_logger"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26ecb66b4bdca6c1409b40fb255eefc2bd4f6d135dab3c3124f80ffa2a9661e"
+dependencies = [
+ "atty",
+ "humantime 2.0.1",
  "log",
  "regex",
  "termcolor",
@@ -955,6 +990,26 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[package]]
+name = "form_urlencoded"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ece68d15c92e84fa4f19d3780f1294e5ca82a78a6d515f1efaabcc144688be00"
+dependencies = [
+ "matches",
+ "percent-encoding",
+]
+
+[[package]]
+name = "fs2"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9564fc758e15025b46aa6643b1b77d047d1a56a1aea6e01002ac0c7026876213"
+dependencies = [
+ "libc",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "fs_extra"
 version = "1.2.0"
@@ -1135,7 +1190,7 @@ version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "993f9e0baeed60001cf565546b0d3dbe6a6ad23f2bd31644a133c641eccf6d53"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "fnv",
  "futures-core",
  "futures-sink",
@@ -1175,9 +1230,9 @@ dependencies = [
 
 [[package]]
 name = "heed"
-version = "0.8.1"
+version = "0.10.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1c9d6f92f402a1452d658038a279d882c77fc5c1f50f29eb491b5fac537f479"
+checksum = "2eaba3b0edee6a9cd551f24caca2027922b03259f7203a15f0b86af4c1348fcc"
 dependencies = [
  "byteorder",
  "heed-traits",
@@ -1186,6 +1241,7 @@ dependencies = [
  "lmdb-rkv-sys",
  "once_cell",
  "page_size",
+ "synchronoise",
  "url",
  "zerocopy",
 ]
@@ -1198,9 +1254,9 @@ checksum = "b328f6260a7e51bdb0ca6b68e6ea27ee3d11fba5dee930896ee7ff6ad5fc072c"
 
 [[package]]
 name = "heed-types"
-version = "0.7.0"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e100387815256b00dbb4f48db990f7fa03e9b88b4a89c2a1661b7d9d77b77c46"
+checksum = "e628efb08beaee58355f80dc4adba79d644940ea9eef60175ea17dc218aab405"
 dependencies = [
  "bincode",
  "heed-traits",
@@ -1235,7 +1291,7 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "28d569972648b2c512421b5f2a405ad6ac9666547189d0c5477a3f200f3e02f9"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "fnv",
  "itoa",
 ]
@@ -1246,7 +1302,7 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13d5ff830006f7646652e057693569bfe0d51760c0085a071769d142a205111b"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "http",
 ]
 
@@ -1271,13 +1327,19 @@ dependencies = [
  "quick-error",
 ]
 
+[[package]]
+name = "humantime"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c1ad908cc71012b7bea4d0c53ba96a8cba9962f048fa68d143376143d863b7a"
+
 [[package]]
 name = "hyper"
 version = "0.13.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2f3afcfae8af5ad0576a31e768415edb627824129e8e5a29b8bfccb2f234e835"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "futures-channel",
  "futures-core",
  "futures-util",
@@ -1301,7 +1363,7 @@ version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "37743cc83e8ee85eacfce90f2f4102030d9ff0a95244098d781e9bee4a90abb6"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "futures-util",
  "hyper",
  "log",
@@ -1470,9 +1532,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.79"
+version = "0.2.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2448f6066e80e3bfc792e9c98bf705b4b0fc6e8ef5b43e5889aff0eaa9c58743"
+checksum = "1482821306169ec4d07f6aca392a4681f66c75c9918aa49641a2595db64053cb"
 
 [[package]]
 name = "linked-hash-map"
@@ -1564,7 +1626,7 @@ dependencies = [
  "csv",
  "deunicode",
  "either",
- "env_logger",
+ "env_logger 0.8.2",
  "fst",
  "hashbrown",
  "heed",
@@ -1612,10 +1674,10 @@ dependencies = [
  "actix-service",
  "actix-web",
  "assert-json-diff",
- "bytes",
+ "bytes 0.6.0",
  "chrono",
  "crossbeam-channel 0.5.0",
- "env_logger",
+ "env_logger 0.8.2",
  "flate2",
  "futures",
  "http",
@@ -1774,13 +1836,13 @@ dependencies = [
 
 [[package]]
 name = "nix"
-version = "0.18.0"
+version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83450fe6a6142ddd95fb064b746083fc4ef1705fe81f64a64e1d4b39f54a1055"
+checksum = "b2ccba0cfe4fdf15982d1674c69b1fd80bad427d293849982668dfe454bd61f2"
 dependencies = [
  "bitflags",
  "cc",
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "libc",
 ]
 
@@ -1821,9 +1883,9 @@ checksum = "37fd5004feb2ce328a52b0b3d01dbf4ffff72583493900ed15f22d4111c51693"
 
 [[package]]
 name = "once_cell"
-version = "1.4.1"
+version = "1.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "260e51e7efe62b592207e9e13a68e43692a7a279171d6ba57abd208bf23645ad"
+checksum = "13bd41f508810a131401606d54ac32a467c97172d74ba7662562ebba5ad07fa0"
 
 [[package]]
 name = "oorandom"
@@ -1845,9 +1907,9 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "ordered-float"
-version = "2.0.0"
+version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9fe9037165d7023b1228bc4ae9a2fa1a2b0095eca6c2998c624723dfd01314a5"
+checksum = "dacdec97876ef3ede8c50efc429220641a0b11ba0048b4b0c357bccbc47c5204"
 dependencies = [
  "num-traits",
  "serde",
@@ -2211,9 +2273,9 @@ checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
 
 [[package]]
 name = "regex"
-version = "1.4.1"
+version = "1.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8963b85b8ce3074fecffde43b4b0dded83ce2f367dc8d363afc56679f3ee820b"
+checksum = "38cf2c13ed4745de91a5eb834e11c00bcc3709e773173b2ce4c56c9fbde04b9c"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -2232,9 +2294,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.20"
+version = "0.6.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8cab7a364d15cde1e505267766a2d3c4e22a843e1a601f0fa7564c0f82ced11c"
+checksum = "3b181ba2dcf07aaccad5448e8ead58db5b742cf85dfe035e2227f137a539a189"
 
 [[package]]
 name = "remove_dir_all"
@@ -2252,7 +2314,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e9eaa17ac5d7b838b7503d118fa16ad88f440498bf9ffe5424e621f93190d61e"
 dependencies = [
  "base64 0.12.3",
- "bytes",
+ "bytes 0.5.6",
  "encoding_rs",
  "futures-core",
  "futures-util",
@@ -2271,7 +2333,7 @@ dependencies = [
  "rustls",
  "serde",
  "serde_json",
- "serde_urlencoded",
+ "serde_urlencoded 0.6.1",
  "tokio",
  "tokio-rustls",
  "url",
@@ -2337,11 +2399,13 @@ dependencies = [
 
 [[package]]
 name = "rustyline"
-version = "6.3.0"
+version = "7.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f0d5e7b0219a3eadd5439498525d4765c59b7c993ef0c12244865cd2d988413"
+checksum = "1a5f54deba50e65ee4cf786dbc37e8b3c63bdccccbcf9d3a8a9fd0c1bb7e1984"
 dependencies = [
- "cfg-if 0.1.10",
+ "bitflags",
+ "cfg-if 1.0.0",
+ "fs2",
  "libc",
  "log",
  "memchr",
@@ -2412,7 +2476,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b01b723fc1b0a0f9394ca1a8451daec6e20206d47f96c3dceea7fd11ec9eec0"
 dependencies = [
  "backtrace",
- "env_logger",
+ "env_logger 0.7.1",
  "failure",
  "hostname",
  "httpdate",
@@ -2446,9 +2510,9 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.117"
+version = "1.0.118"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b88fa983de7720629c9387e9f517353ed404164b1e482c970a90c1a4aaf7dc1a"
+checksum = "06c64263859d87aa2eb554587e2d23183398d617427327cf2b3d0ed8c69e4800"
 dependencies = [
  "serde_derive",
 ]
@@ -2465,9 +2529,9 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.117"
+version = "1.0.118"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbd1ae72adb44aab48f325a02444a5fc079349a8d804c1fc922aed3f7454c74e"
+checksum = "c84d3526699cd55261af4b941e4e725444df67aa4f9e6a3564f18030d12672df"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2488,11 +2552,10 @@ dependencies = [
 
 [[package]]
 name = "serde_qs"
-version = "0.7.0"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9408a61dabe404c76cec504ec510f7d92f41dc0a9362a0db8ab73d141cfbf93f"
+checksum = "0010b5c91a2b37b51b91dc29a20553b6384fef574bb4cf3c0fc5a04c3bab7e47"
 dependencies = [
- "data-encoding",
  "percent-encoding",
  "serde",
  "thiserror",
@@ -2520,6 +2583,18 @@ dependencies = [
  "url",
 ]
 
+[[package]]
+name = "serde_urlencoded"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "edfa57a7f8d9c1d260a549e7224100f6c43d43f9103e06dd8b4095a9b2b43ce9"
+dependencies = [
+ "form_urlencoded",
+ "itoa",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "sha-1"
 version = "0.8.2"
@@ -2610,11 +2685,11 @@ checksum = "fbee7696b84bbf3d89a1c2eccff0850e3047ed46bfcd2e92c29a2d074d57e252"
 
 [[package]]
 name = "socket2"
-version = "0.3.15"
+version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1fa70dc5c8104ec096f4fe7ede7a221d35ae13dcd19ba1ad9a81d2cab9a1c44"
+checksum = "2c29947abdee2a218277abeca306f25789c938e500ea5a9d4b12a5a504466902"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "libc",
  "redox_syscall",
  "winapi 0.3.9",
@@ -2716,15 +2791,24 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.44"
+version = "1.0.54"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e03e57e4fcbfe7749842d53e24ccb9aa12b7252dbe5e91d2acad31834c8b8fdd"
+checksum = "9a2af957a63d6bd42255c359c93d9bfdb97076bd3b820897ce55ffbfbf107f44"
 dependencies = [
  "proc-macro2",
  "quote",
  "unicode-xid",
 ]
 
+[[package]]
+name = "synchronoise"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d717ed0efc9d39ab3b642a096bc369a3e02a38a51c41845d7fe31bdad1d6eaeb"
+dependencies = [
+ "crossbeam-queue",
+]
+
 [[package]]
 name = "synstructure"
 version = "0.12.4"
@@ -2793,18 +2877,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.21"
+version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "318234ffa22e0920fe9a40d7b8369b5f649d490980cf7aadcf1eb91594869b42"
+checksum = "0e9ae34b84616eedaaf1e9dd6026dbe00dcafa92aa0c8077cb69df1fcfe5e53e"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.21"
+version = "1.0.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cae2447b6282786c3493999f40a9be2a6ad20cb8bd268b0a0dbf5a065535c0ab"
+checksum = "9ba20f23e85b10754cd195504aebf6a27e2e6cbe28c17778a0c930724628dd56"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2915,7 +2999,7 @@ version = "0.2.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5d34ca54d84bf2b5b4d7d31e901a8464f7b60ac145a284fba25ceb801f2ddccd"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "fnv",
  "futures-core",
  "iovec",
@@ -2961,7 +3045,7 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "be8242891f2b6cbef26a2d7e8605133c2c554cd35b3e4948ea892d6d68436499"
 dependencies = [
- "bytes",
+ "bytes 0.5.6",
  "futures-core",
  "futures-sink",
  "log",
@@ -3133,10 +3217,11 @@ dependencies = [
 
 [[package]]
 name = "url"
-version = "2.1.1"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "829d4a8476c35c9bf0bbce5a3b23f4106f79728039b726d292bb93bc106787cb"
+checksum = "5909f2b0817350449ed73e8bcd81c8c3c8d9a7a5d8acba4b27db277f1868976e"
 dependencies = [
+ "form_urlencoded",
  "idna",
  "matches",
  "percent-encoding",
@@ -3322,9 +3407,13 @@ dependencies = [
 
 [[package]]
 name = "whoami"
-version = "0.9.0"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7884773ab69074615cb8f8425d0e53f11710786158704fca70f53e71b0e05504"
+checksum = "e0b81b8c1996f45197d8aad89b388f0a419afb4c5c876a23006d2d1435cb82d8"
+dependencies = [
+ "wasm-bindgen",
+ "web-sys",
+]
 
 [[package]]
 name = "widestring"
diff --git a/meilisearch-core/Cargo.toml b/meilisearch-core/Cargo.toml
index 78fb2f82d..7be946d1b 100644
--- a/meilisearch-core/Cargo.toml
+++ b/meilisearch-core/Cargo.toml
@@ -15,10 +15,10 @@ cow-utils = "0.1.2"
 crossbeam-channel = "0.5.0"
 deunicode = "1.1.0"
 either = "1.5.3"
-env_logger = "0.7.1"
+env_logger = "0.8.2"
 fst = "0.4.4"
 hashbrown = { version = "0.9.0", features = ["serde"] }
-heed = "0.8.0"
+heed = "0.10.5"
 indexmap = { version = "1.3.2", features = ["serde-1"] }
 intervaltree = "0.2.5"
 itertools = "0.9.0"
@@ -28,11 +28,11 @@ meilisearch-error = { path = "../meilisearch-error", version = "0.17.0" }
 meilisearch-schema = { path = "../meilisearch-schema", version = "0.17.0" }
 meilisearch-tokenizer = { path = "../meilisearch-tokenizer", version = "0.17.0" }
 meilisearch-types = { path = "../meilisearch-types", version = "0.17.0" }
-once_cell = "1.3.1"
-ordered-float = { version = "2.0.0", features = ["serde"] }
+once_cell = "1.5.2"
+ordered-float = { version = "2.0.1", features = ["serde"] }
 pest = { git = "https://github.com/pest-parser/pest.git", rev = "51fd1d49f1041f7839975664ef71fe15c7dcaf67" }
 pest_derive = "2.0"
-regex = "1.4.1"
+regex = "1.4.2"
 sdset = "0.4.0"
 serde = { version = "1.0.117", features = ["derive"] }
 serde_json = { version = "1.0.59", features = ["preserve_order"] }
@@ -44,7 +44,7 @@ zerocopy = "0.3.0"
 assert_matches = "1.4.0"
 criterion = "0.3.1"
 csv = "1.1.3"
-rustyline = { version = "6.0.0", default-features = false }
+rustyline = { version = "7.0.0", default-features = false }
 structopt = "0.3.20"
 tempfile = "3.1.0"
 termcolor = "1.1.0"
diff --git a/meilisearch-core/src/criterion/mod.rs b/meilisearch-core/src/criterion/mod.rs
index a2f68c28e..3fe77115a 100644
--- a/meilisearch-core/src/criterion/mod.rs
+++ b/meilisearch-core/src/criterion/mod.rs
@@ -61,7 +61,7 @@ pub trait Criterion {
 }
 
 pub struct ContextMut<'h, 'p, 'tag, 'txn, 'q> {
-    pub reader: &'h heed::RoTxn<MainT>,
+    pub reader: &'h heed::RoTxn<'h, MainT>,
     pub postings_lists: &'p mut SmallArena<'tag, PostingsListView<'txn>>,
     pub query_mapping: &'q HashMap<QueryId, Range<usize>>,
     pub documents_fields_counts_store: store::DocumentsFieldsCounts,
diff --git a/meilisearch-core/src/database.rs b/meilisearch-core/src/database.rs
index 82f5fa89d..d93c81acb 100644
--- a/meilisearch-core/src/database.rs
+++ b/meilisearch-core/src/database.rs
@@ -22,11 +22,11 @@ type ArcSwapFn = arc_swap::ArcSwapOption<BoxUpdateFn>;
 
 type SerdeDatetime = SerdeBincode<DateTime<Utc>>;
 
-pub type MainWriter<'a> = heed::RwTxn<'a, MainT>;
-pub type MainReader = heed::RoTxn<MainT>;
+pub type MainWriter<'a, 'b> = heed::RwTxn<'a, 'b, MainT>;
+pub type MainReader<'a, 'b> = heed::RoTxn<'a, MainT>;
 
-pub type UpdateWriter<'a> = heed::RwTxn<'a, UpdateT>;
-pub type UpdateReader = heed::RoTxn<UpdateT>;
+pub type UpdateWriter<'a, 'b> = heed::RwTxn<'a, 'b, UpdateT>;
+pub type UpdateReader<'a> = heed::RoTxn<'a, UpdateT>;
 
 const LAST_UPDATE_KEY: &str = "last-update";
 
diff --git a/meilisearch-core/src/serde/deserializer.rs b/meilisearch-core/src/serde/deserializer.rs
index e5e02a4d6..0d091951e 100644
--- a/meilisearch-core/src/serde/deserializer.rs
+++ b/meilisearch-core/src/serde/deserializer.rs
@@ -51,7 +51,7 @@ impl From<heed::Error> for DeserializerError {
 
 pub struct Deserializer<'a> {
     pub document_id: DocumentId,
-    pub reader: &'a heed::RoTxn<MainT>,
+    pub reader: &'a heed::RoTxn<'a, MainT>,
     pub documents_fields: DocumentsFields,
     pub schema: &'a Schema,
     pub fields: Option<&'a HashSet<FieldId>>,
diff --git a/meilisearch-core/src/store/docs_words.rs b/meilisearch-core/src/store/docs_words.rs
index 11e81f673..6b412d584 100644
--- a/meilisearch-core/src/store/docs_words.rs
+++ b/meilisearch-core/src/store/docs_words.rs
@@ -33,7 +33,7 @@ impl DocsWords {
         self.docs_words.clear(writer)
     }
 
-    pub fn doc_words(self, reader: &heed::RoTxn<MainT>, document_id: DocumentId) -> ZResult<FstSetCow> {
+    pub fn doc_words<'a>(self, reader: &'a heed::RoTxn<'a, MainT>, document_id: DocumentId) -> ZResult<FstSetCow> {
         let document_id = BEU32::new(document_id.0);
         match self.docs_words.get(reader, &document_id)? {
             Some(bytes) => Ok(fst::Set::new(bytes).unwrap().map_data(Cow::Borrowed).unwrap()),
diff --git a/meilisearch-core/src/store/facets.rs b/meilisearch-core/src/store/facets.rs
index 7436f3d65..1a7579099 100644
--- a/meilisearch-core/src/store/facets.rs
+++ b/meilisearch-core/src/store/facets.rs
@@ -2,7 +2,7 @@ use std::borrow::Cow;
 use std::collections::HashMap;
 use std::mem;
 
-use heed::{RwTxn, RoTxn, RoRange, types::Str, BytesEncode, BytesDecode};
+use heed::{RwTxn, RoTxn, RoPrefix, types::Str, BytesEncode, BytesDecode};
 use sdset::{SetBuf, Set, SetOperation};
 
 use meilisearch_types::DocumentId;
@@ -62,7 +62,7 @@ impl Facets {
         Ok(self.facets.put(writer, &facet_key, &(facet_value, doc_ids))?)
     }
 
-    pub fn field_document_ids<'txn>(&self, reader: &'txn RoTxn<MainT>, field_id: FieldId) -> MResult<RoRange<'txn, FacetKey, FacetData>> {
+    pub fn field_document_ids<'txn>(&self, reader: &'txn RoTxn<MainT>, field_id: FieldId) -> MResult<RoPrefix<'txn, FacetKey, FacetData>> {
         Ok(self.facets.prefix_iter(reader, &FacetKey::new(field_id, String::new()))?)
     }
 
diff --git a/meilisearch-core/src/store/main.rs b/meilisearch-core/src/store/main.rs
index 5accdfbc7..2b60a5680 100644
--- a/meilisearch-core/src/store/main.rs
+++ b/meilisearch-core/src/store/main.rs
@@ -143,7 +143,7 @@ impl Main {
         self.put_external_docids(writer, &external_docids)
     }
 
-    pub fn external_docids(self, reader: &heed::RoTxn<MainT>) -> MResult<FstMapCow> {
+    pub fn external_docids<'a>(self, reader: &'a heed::RoTxn<'a, MainT>) -> MResult<FstMapCow> {
         match self.main.get::<_, Str, ByteSlice>(reader, EXTERNAL_DOCIDS_KEY)? {
             Some(bytes) => Ok(fst::Map::new(bytes).unwrap().map_data(Cow::Borrowed).unwrap()),
             None => Ok(fst::Map::default().map_data(Cow::Owned).unwrap()),
@@ -155,7 +155,7 @@ impl Main {
         Ok(external_ids.get(external_docid).map(|id| DocumentId(id as u32)))
     }
 
-    pub fn words_fst(self, reader: &heed::RoTxn<MainT>) -> MResult<FstSetCow> {
+    pub fn words_fst<'a>(self, reader: &'a heed::RoTxn<'a, MainT>) -> MResult<FstSetCow> {
         match self.main.get::<_, Str, ByteSlice>(reader, WORDS_KEY)? {
             Some(bytes) => Ok(fst::Set::new(bytes).unwrap().map_data(Cow::Borrowed).unwrap()),
             None => Ok(fst::Set::default().map_data(Cow::Owned).unwrap()),
@@ -170,7 +170,7 @@ impl Main {
         Ok(self.main.put::<_, Str, CowSlice<DocumentId>>(writer, SORTED_DOCUMENT_IDS_CACHE_KEY, documents_ids)?)
     }
 
-    pub fn sorted_document_ids_cache(self, reader: &heed::RoTxn<MainT>) -> MResult<Option<Cow<[DocumentId]>>> {
+    pub fn sorted_document_ids_cache<'a>(self, reader: &'a heed::RoTxn<'a, MainT>) -> MResult<Option<Cow<[DocumentId]>>> {
         Ok(self.main.get::<_, Str, CowSlice<DocumentId>>(reader, SORTED_DOCUMENT_IDS_CACHE_KEY)?)
     }
 
@@ -199,7 +199,7 @@ impl Main {
         Ok(self.main.put::<_, Str, ByteSlice>(writer, SYNONYMS_KEY, bytes)?)
     }
 
-    pub(crate) fn synonyms_fst(self, reader: &heed::RoTxn<MainT>) -> MResult<FstSetCow> {
+    pub(crate) fn synonyms_fst<'a>(self, reader: &'a heed::RoTxn<'a, MainT>) -> MResult<FstSetCow> {
         match self.main.get::<_, Str, ByteSlice>(reader, SYNONYMS_KEY)? {
             Some(bytes) => Ok(fst::Set::new(bytes).unwrap().map_data(Cow::Borrowed).unwrap()),
             None => Ok(fst::Set::default().map_data(Cow::Owned).unwrap()),
@@ -219,7 +219,7 @@ impl Main {
         Ok(self.main.put::<_, Str, ByteSlice>(writer, STOP_WORDS_KEY, bytes)?)
     }
 
-    pub(crate) fn stop_words_fst(self, reader: &heed::RoTxn<MainT>) -> MResult<FstSetCow> {
+    pub(crate) fn stop_words_fst<'a>(self, reader: &'a heed::RoTxn<'a, MainT>) -> MResult<FstSetCow> {
         match self.main.get::<_, Str, ByteSlice>(reader, STOP_WORDS_KEY)? {
             Some(bytes) => Ok(fst::Set::new(bytes).unwrap().map_data(Cow::Borrowed).unwrap()),
             None => Ok(fst::Set::default().map_data(Cow::Owned).unwrap()),
diff --git a/meilisearch-core/src/update/documents_addition.rs b/meilisearch-core/src/update/documents_addition.rs
index 5603966b0..d46aeb7fe 100644
--- a/meilisearch-core/src/update/documents_addition.rs
+++ b/meilisearch-core/src/update/documents_addition.rs
@@ -146,8 +146,8 @@ where A: AsRef<[u8]>,
     Ok(())
 }
 
-pub fn apply_addition<'a, 'b>(
-    writer: &'a mut heed::RwTxn<'b, MainT>,
+pub fn apply_addition<'a, 'b, 'c>(
+    writer: &'a mut heed::RwTxn<'b, 'c, MainT>,
     index: &store::Index,
     new_documents: Vec<IndexMap<String, Value>>,
     partial: bool
@@ -272,16 +272,16 @@ pub fn apply_addition<'a, 'b>(
     Ok(())
 }
 
-pub fn apply_documents_partial_addition<'a, 'b>(
-    writer: &'a mut heed::RwTxn<'b, MainT>,
+pub fn apply_documents_partial_addition<'a, 'b, 'c>(
+    writer: &'a mut heed::RwTxn<'b, 'c, MainT>,
     index: &store::Index,
     new_documents: Vec<IndexMap<String, Value>>,
 ) -> MResult<()> {
     apply_addition(writer, index, new_documents, true)
 }
 
-pub fn apply_documents_addition<'a, 'b>(
-    writer: &'a mut heed::RwTxn<'b, MainT>,
+pub fn apply_documents_addition<'a, 'b, 'c>(
+    writer: &'a mut heed::RwTxn<'b, 'c, MainT>,
     index: &store::Index,
     new_documents: Vec<IndexMap<String, Value>>,
 ) -> MResult<()> {
diff --git a/meilisearch-core/src/update/mod.rs b/meilisearch-core/src/update/mod.rs
index 2f3d7bd8c..d1ea83108 100644
--- a/meilisearch-core/src/update/mod.rs
+++ b/meilisearch-core/src/update/mod.rs
@@ -212,8 +212,8 @@ pub fn next_update_id(
     Ok(new_update_id)
 }
 
-pub fn update_task<'a, 'b>(
-    writer: &'a mut heed::RwTxn<'b, MainT>,
+pub fn update_task<'a, 'b, 'c>(
+    writer: &'a mut heed::RwTxn<'b, 'c, MainT>,
     index: &store::Index,
     update_id: u64,
     update: Update,
diff --git a/meilisearch-http/Cargo.toml b/meilisearch-http/Cargo.toml
index 52b3ad4e3..6818443e6 100644
--- a/meilisearch-http/Cargo.toml
+++ b/meilisearch-http/Cargo.toml
@@ -17,15 +17,15 @@ path = "src/main.rs"
 default = ["sentry"]
 
 [dependencies]
-actix-cors = "0.4.1"
+actix-cors = "0.5.3"
 actix-http = "2"
 actix-rt = "1"
 actix-service = "1.0.6"
-actix-web = { version = "3.1.0", features = ["rustls"] }
-bytes = "0.5.4"
+actix-web = { version = "3.3.2", features = ["rustls"] }
+bytes = "0.6.0"
 chrono = { version = "0.4.19", features = ["serde"] }
 crossbeam-channel = "0.5.0"
-env_logger = "0.7.1"
+env_logger = "0.8.2"
 flate2 = "1.0.18"
 futures = "0.3.7"
 http = "0.2.1"
@@ -37,13 +37,13 @@ meilisearch-error = { path = "../meilisearch-error", version = "0.17.0" }
 meilisearch-schema = { path = "../meilisearch-schema", version = "0.17.0" }
 meilisearch-tokenizer = {path = "../meilisearch-tokenizer", version = "0.17.0"}
 mime = "0.3.16"
-once_cell = "1.4.1"
+once_cell = "1.5.2"
 rand = "0.7.3"
-regex = "1.4.1"
+regex = "1.4.2"
 rustls = "0.18"
 serde = { version = "1.0.117", features = ["derive"] }
 serde_json = { version = "1.0.59", features = ["preserve_order"] }
-serde_qs = "0.7.0"
+serde_qs = "0.8.1"
 sha2 = "0.9.1"
 siphasher = "0.3.2"
 slice-group-by = "0.2.6"
@@ -53,7 +53,7 @@ tempfile = "3.1.0"
 tokio = { version = "0.2.18", features = ["macros"] }
 ureq = { version = "1.5.1", features = ["tls"], default-features = false }
 walkdir = "2.3.1"
-whoami = "0.9.0"
+whoami = "1.0.0"
 
 [dependencies.sentry]
 version = "0.18.1"
diff --git a/meilisearch-http/src/main.rs b/meilisearch-http/src/main.rs
index 41b85d709..800e2760c 100644
--- a/meilisearch-http/src/main.rs
+++ b/meilisearch-http/src/main.rs
@@ -47,7 +47,7 @@ async fn main() -> Result<(), MainError> {
             }
         }
         "development" => {
-            env_logger::from_env(env_logger::Env::default().default_filter_or("info")).init();
+            env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("info")).init();
         }
         _ => unreachable!(),
     }
@@ -84,11 +84,10 @@ async fn main() -> Result<(), MainError> {
     let http_server = HttpServer::new(move || {
         create_app(&data, enable_frontend)
             .wrap(
-                Cors::new()
+                Cors::default()
                     .send_wildcard()
                     .allowed_headers(vec!["content-type", "x-meili-api-key"])
                     .max_age(86_400) // 24h
-                    .finish(),
             )
             .wrap(middleware::Logger::default())
             .wrap(middleware::Compress::default())