diff --git a/Cargo.lock b/Cargo.lock
index edb937d85..b1e2ac465 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -620,6 +620,17 @@ dependencies = [
  "vec_map",
 ]
 
+[[package]]
+name = "concat-arrays"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1df715824eb382e34b7afb7463b0247bf41538aeba731fba05241ecdb5dc3747"
+dependencies = [
+ "proc-macro2 1.0.27",
+ "quote 1.0.9",
+ "syn 1.0.73",
+]
+
 [[package]]
 name = "const_fn"
 version = "0.4.8"
@@ -1191,7 +1202,7 @@ dependencies = [
 [[package]]
 name = "heed"
 version = "0.12.0"
-source = "git+https://github.com/Kerollmops/heed?tag=v0.12.0#6c0b95793a805dc598f05c119494e6c069de0326"
+source = "git+https://github.com/Kerollmops/heed?tag=v0.12.1#8e5dc6d71c8166a8d7d0db059e6e51478942b551"
 dependencies = [
  "byteorder",
  "heed-traits",
@@ -1209,12 +1220,12 @@ dependencies = [
 [[package]]
 name = "heed-traits"
 version = "0.7.0"
-source = "git+https://github.com/Kerollmops/heed?tag=v0.12.0#6c0b95793a805dc598f05c119494e6c069de0326"
+source = "git+https://github.com/Kerollmops/heed?tag=v0.12.1#8e5dc6d71c8166a8d7d0db059e6e51478942b551"
 
 [[package]]
 name = "heed-types"
 version = "0.7.2"
-source = "git+https://github.com/Kerollmops/heed?tag=v0.12.0#6c0b95793a805dc598f05c119494e6c069de0326"
+source = "git+https://github.com/Kerollmops/heed?tag=v0.12.1#8e5dc6d71c8166a8d7d0db059e6e51478942b551"
 dependencies = [
  "bincode",
  "heed-traits",
@@ -1647,7 +1658,7 @@ dependencies = [
  "log",
  "main_error",
  "meilisearch-error",
- "meilisearch-tokenizer",
+ "meilisearch-tokenizer 0.2.3",
  "memmap",
  "milli",
  "mime",
@@ -1699,7 +1710,23 @@ dependencies = [
  "once_cell",
  "slice-group-by",
  "unicode-segmentation",
- "whatlang",
+ "whatlang 0.9.0",
+]
+
+[[package]]
+name = "meilisearch-tokenizer"
+version = "0.2.4"
+source = "git+https://github.com/meilisearch/Tokenizer.git?tag=v0.2.4#135d08dce465a756abaf6a1bcad70f315bda99b9"
+dependencies = [
+ "character_converter",
+ "cow-utils",
+ "deunicode",
+ "fst",
+ "jieba-rs",
+ "once_cell",
+ "slice-group-by",
+ "unicode-segmentation",
+ "whatlang 0.12.0",
 ]
 
 [[package]]
@@ -1729,12 +1756,13 @@ dependencies = [
 
 [[package]]
 name = "milli"
-version = "0.7.2"
-source = "git+https://github.com/meilisearch/milli.git?tag=v0.7.2#007fec21fcb3accad807aa2f2cf66c168afb043f"
+version = "0.8.0"
+source = "git+https://github.com/meilisearch/milli.git?tag=v0.8.0#200e98c211510750e2ead475b8571b533ac6caa1"
 dependencies = [
  "bstr",
  "byteorder",
  "chrono",
+ "concat-arrays",
  "csv",
  "either",
  "flate2",
@@ -1748,7 +1776,7 @@ dependencies = [
  "linked-hash-map",
  "log",
  "logging_timer",
- "meilisearch-tokenizer",
+ "meilisearch-tokenizer 0.2.4",
  "memmap",
  "obkv",
  "once_cell",
@@ -1910,9 +1938,9 @@ dependencies = [
 
 [[package]]
 name = "obkv"
-version = "0.1.1"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ddd8a5a0aa2f3adafe349259a5b3e21a19c388b792414c1161d60a69c1fa48e8"
+checksum = "f69e48cd7c8e5bb52a1da1287fdbfd877c32673176583ce664cd63b201aba385"
 
 [[package]]
 name = "once_cell"
@@ -3532,6 +3560,15 @@ dependencies = [
  "hashbrown 0.7.2",
 ]
 
+[[package]]
+name = "whatlang"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a346d2eb29c03618693ed24a29d1acd0c3f2cb08ae58b9669d7461e033cf703"
+dependencies = [
+ "hashbrown 0.7.2",
+]
+
 [[package]]
 name = "whoami"
 version = "1.1.2"
diff --git a/meilisearch-http/Cargo.toml b/meilisearch-http/Cargo.toml
index f0186801a..6191ca2bb 100644
--- a/meilisearch-http/Cargo.toml
+++ b/meilisearch-http/Cargo.toml
@@ -42,7 +42,7 @@ fst = "0.4.5"
 futures = "0.3.7"
 futures-util = "0.3.8"
 grenad = { git = "https://github.com/Kerollmops/grenad.git", rev = "3adcb26" }
-heed = { git = "https://github.com/Kerollmops/heed", tag = "v0.12.0" }
+heed = { git = "https://github.com/Kerollmops/heed", tag = "v0.12.1" }
 http = "0.2.1"
 indexmap = { version = "1.3.2", features = ["serde-1"] }
 itertools = "0.10.0"
@@ -51,7 +51,7 @@ main_error = "0.1.0"
 meilisearch-error = { path = "../meilisearch-error" }
 meilisearch-tokenizer = { git = "https://github.com/meilisearch/tokenizer.git", tag = "v0.2.3" }
 memmap = "0.7.0"
-milli = { git = "https://github.com/meilisearch/milli.git", tag = "v0.7.2" }
+milli = { git = "https://github.com/meilisearch/milli.git", tag = "v0.8.0" }
 mime = "0.3.16"
 num_cpus = "1.13.0"
 once_cell = "1.5.2"
@@ -73,7 +73,7 @@ thiserror = "1.0.24"
 tokio = { version = "1", features = ["full"] }
 uuid = { version =  "0.8.2", features = ["serde"] }
 walkdir = "2.3.2"
-obkv = "0.1.1"
+obkv = "0.2.0"
 pin-project = "1.0.7"
 whoami = { version = "1.1.2", optional = true }
 reqwest = { version = "0.11.3", features = ["json", "rustls-tls"], default-features = false, optional = true }
diff --git a/meilisearch-http/src/index/mod.rs b/meilisearch-http/src/index/mod.rs
index 85eff2746..4afec5460 100644
--- a/meilisearch-http/src/index/mod.rs
+++ b/meilisearch-http/src/index/mod.rs
@@ -174,7 +174,7 @@ impl Index {
         txn: &heed::RoTxn,
         attributes_to_retrieve: &Option<Vec<S>>,
         fields_ids_map: &milli::FieldsIdsMap,
-    ) -> Result<Vec<u8>> {
+    ) -> Result<Vec<u16>> {
         let mut displayed_fields_ids = match self.displayed_fields_ids(&txn)? {
             Some(ids) => ids.into_iter().collect::<Vec<_>>(),
             None => fields_ids_map.iter().map(|(id, _)| id).collect(),
diff --git a/meilisearch-http/src/index/search.rs b/meilisearch-http/src/index/search.rs
index 537dffc0f..91eb2a2ca 100644
--- a/meilisearch-http/src/index/search.rs
+++ b/meilisearch-http/src/index/search.rs
@@ -281,9 +281,9 @@ fn compute_formatted_options(
     attr_to_highlight: &HashSet<String>,
     attr_to_crop: &[String],
     query_crop_length: usize,
-    to_retrieve_ids: &BTreeSet<u8>,
+    to_retrieve_ids: &BTreeSet<u16>,
     fields_ids_map: &FieldsIdsMap,
-    displayed_ids: &BTreeSet<u8>,
+    displayed_ids: &BTreeSet<u16>,
 ) -> BTreeMap<FieldId, FormatOptions> {
     let mut formatted_options = BTreeMap::new();
 
@@ -314,7 +314,7 @@ fn add_highlight_to_formatted_options(
     formatted_options: &mut BTreeMap<FieldId, FormatOptions>,
     attr_to_highlight: &HashSet<String>,
     fields_ids_map: &FieldsIdsMap,
-    displayed_ids: &BTreeSet<u8>,
+    displayed_ids: &BTreeSet<u16>,
 ) {
     for attr in attr_to_highlight {
         let new_format = FormatOptions {
@@ -342,7 +342,7 @@ fn add_crop_to_formatted_options(
     attr_to_crop: &[String],
     crop_length: usize,
     fields_ids_map: &FieldsIdsMap,
-    displayed_ids: &BTreeSet<u8>,
+    displayed_ids: &BTreeSet<u16>,
 ) {
     for attr in attr_to_crop {
         let mut split = attr.rsplitn(2, ':');
@@ -382,7 +382,7 @@ fn add_crop_to_formatted_options(
 
 fn add_non_formatted_ids_to_formatted_options(
     formatted_options: &mut BTreeMap<FieldId, FormatOptions>,
-    to_retrieve_ids: &BTreeSet<u8>,
+    to_retrieve_ids: &BTreeSet<u16>,
 ) {
     for id in to_retrieve_ids {
         formatted_options.entry(*id).or_insert(FormatOptions {
@@ -395,7 +395,7 @@ fn add_non_formatted_ids_to_formatted_options(
 fn make_document(
     attributes_to_retrieve: &BTreeSet<FieldId>,
     field_ids_map: &FieldsIdsMap,
-    obkv: obkv::KvReader,
+    obkv: obkv::KvReaderU16,
 ) -> Result<Document> {
     let mut document = Document::new();
 
@@ -418,7 +418,7 @@ fn make_document(
 
 fn format_fields<A: AsRef<[u8]>>(
     field_ids_map: &FieldsIdsMap,
-    obkv: obkv::KvReader,
+    obkv: obkv::KvReaderU16,
     formatter: &Formatter<A>,
     matching_words: &impl Matcher,
     formatted_options: &BTreeMap<FieldId, FormatOptions>,