diff --git a/Cargo.lock b/Cargo.lock
index d985635be..39625ca5a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1021,7 +1021,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "meilisearch-core"
-version = "0.8.4"
+version = "0.9.0-rc.1"
 dependencies = [
  "arc-swap 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "assert_matches 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1043,9 +1043,9 @@ dependencies = [
  "jemallocator 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "levenshtein_automata 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "meilisearch-schema 0.8.4",
- "meilisearch-tokenizer 0.8.4",
- "meilisearch-types 0.8.4",
+ "meilisearch-schema 0.9.0-rc.1",
+ "meilisearch-tokenizer 0.9.0-rc.1",
+ "meilisearch-types 0.9.0-rc.1",
  "once_cell 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ordered-float 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1063,7 +1063,7 @@ dependencies = [
 
 [[package]]
 name = "meilisearch-http"
-version = "0.8.4"
+version = "0.9.0-rc.1"
 dependencies = [
  "assert-json-diff 1.0.1 (git+https://github.com/qdequele/assert-json-diff)",
  "async-std 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1079,8 +1079,8 @@ dependencies = [
  "jemallocator 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "main_error 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "meilisearch-core 0.8.4",
- "meilisearch-schema 0.8.4",
+ "meilisearch-core 0.9.0-rc.1",
+ "meilisearch-schema 0.9.0-rc.1",
  "mime 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "pretty-bytes 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1102,7 +1102,7 @@ dependencies = [
 
 [[package]]
 name = "meilisearch-schema"
-version = "0.8.4"
+version = "0.9.0-rc.1"
 dependencies = [
  "bincode 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "indexmap 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1113,7 +1113,7 @@ dependencies = [
 
 [[package]]
 name = "meilisearch-tokenizer"
-version = "0.8.4"
+version = "0.9.0-rc.1"
 dependencies = [
  "deunicode 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slice-group-by 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1121,7 +1121,7 @@ dependencies = [
 
 [[package]]
 name = "meilisearch-types"
-version = "0.8.4"
+version = "0.9.0-rc.1"
 dependencies = [
  "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "zerocopy 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/meilisearch-core/Cargo.toml b/meilisearch-core/Cargo.toml
index 5a9288ce5..840c191b8 100644
--- a/meilisearch-core/Cargo.toml
+++ b/meilisearch-core/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "meilisearch-core"
-version = "0.8.4"
+version = "0.9.0-rc.1"
 license = "MIT"
 authors = ["Kerollmops <clement@meilisearch.com>"]
 edition = "2018"
@@ -22,9 +22,9 @@ intervaltree = "0.2.5"
 itertools = "0.8.2"
 levenshtein_automata = { version = "0.1.1", features = ["fst_automaton"] }
 log = "0.4.8"
-meilisearch-schema = { path = "../meilisearch-schema", version = "0.8.4" }
-meilisearch-tokenizer = { path = "../meilisearch-tokenizer", version = "0.8.4" }
-meilisearch-types = { path = "../meilisearch-types", version = "0.8.4" }
+meilisearch-schema = { path = "../meilisearch-schema", version = "0.9.0-rc.1" }
+meilisearch-tokenizer = { path = "../meilisearch-tokenizer", version = "0.9.0-rc.1" }
+meilisearch-types = { path = "../meilisearch-types", version = "0.9.0-rc.1" }
 once_cell = "1.2.0"
 ordered-float = { version = "1.0.2", features = ["serde"] }
 regex = "1.3.1"
diff --git a/meilisearch-http/Cargo.toml b/meilisearch-http/Cargo.toml
index fccf67ebf..1a2f62461 100644
--- a/meilisearch-http/Cargo.toml
+++ b/meilisearch-http/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "meilisearch-http"
 description = "MeiliSearch HTTP server"
-version = "0.8.4"
+version = "0.9.0-rc.1"
 license = "MIT"
 authors = [
     "Quentin de Quelen <quentin@dequelen.me>",
@@ -25,8 +25,8 @@ http-service = "0.4.0"
 indexmap = { version = "1.3.0", features = ["serde-1"] }
 log = "0.4.8"
 main_error = "0.1.0"
-meilisearch-core = { path = "../meilisearch-core", version = "0.8.4" }
-meilisearch-schema = { path = "../meilisearch-schema", version = "0.8.4" }
+meilisearch-core = { path = "../meilisearch-core", version = "0.9.0-rc.1" }
+meilisearch-schema = { path = "../meilisearch-schema", version = "0.9.0-rc.1" }
 mime = "0.3.16"
 pretty-bytes = "0.2.2"
 rand = "0.7.2"
diff --git a/meilisearch-schema/Cargo.toml b/meilisearch-schema/Cargo.toml
index 6c911511a..5bb0189cb 100644
--- a/meilisearch-schema/Cargo.toml
+++ b/meilisearch-schema/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "meilisearch-schema"
-version = "0.8.4"
+version = "0.9.0-rc.1"
 license = "MIT"
 authors = ["Kerollmops <renault.cle@gmail.com>"]
 edition = "2018"
diff --git a/meilisearch-tokenizer/Cargo.toml b/meilisearch-tokenizer/Cargo.toml
index 741878bdf..e2a2ca036 100644
--- a/meilisearch-tokenizer/Cargo.toml
+++ b/meilisearch-tokenizer/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "meilisearch-tokenizer"
-version = "0.8.4"
+version = "0.9.0-rc.1"
 license = "MIT"
 authors = ["Kerollmops <renault.cle@gmail.com>"]
 edition = "2018"
diff --git a/meilisearch-types/Cargo.toml b/meilisearch-types/Cargo.toml
index 255433ca0..601fce7db 100644
--- a/meilisearch-types/Cargo.toml
+++ b/meilisearch-types/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "meilisearch-types"
-version = "0.8.4"
+version = "0.9.0-rc.1"
 license = "MIT"
 authors = ["Clément Renault <renault.cle@gmail.com>"]
 edition = "2018"