diff --git a/Cargo.lock b/Cargo.lock
index ff2325361..d8bc4fe64 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1123,8 +1123,8 @@ dependencies = [
 
 [[package]]
 name = "filter-parser"
-version = "0.29.3"
-source = "git+https://github.com/meilisearch/milli.git?tag=v0.29.3#f1d848bb9add86b9414d110a083dfa0462d5d636"
+version = "0.31.1"
+source = "git+https://github.com/meilisearch/milli.git?tag=v0.31.1#83ad1aaf0552db9f63fc21ae9fe3976e61577dc8"
 dependencies = [
  "nom",
  "nom_locate",
@@ -1148,8 +1148,8 @@ dependencies = [
 
 [[package]]
 name = "flatten-serde-json"
-version = "0.29.3"
-source = "git+https://github.com/meilisearch/milli.git?tag=v0.29.3#f1d848bb9add86b9414d110a083dfa0462d5d636"
+version = "0.31.1"
+source = "git+https://github.com/meilisearch/milli.git?tag=v0.31.1#83ad1aaf0552db9f63fc21ae9fe3976e61577dc8"
 dependencies = [
  "serde_json",
 ]
@@ -1661,8 +1661,8 @@ dependencies = [
 
 [[package]]
 name = "json-depth-checker"
-version = "0.29.3"
-source = "git+https://github.com/meilisearch/milli.git?tag=v0.29.3#f1d848bb9add86b9414d110a083dfa0462d5d636"
+version = "0.31.1"
+source = "git+https://github.com/meilisearch/milli.git?tag=v0.31.1#83ad1aaf0552db9f63fc21ae9fe3976e61577dc8"
 dependencies = [
  "serde_json",
 ]
@@ -2189,8 +2189,8 @@ dependencies = [
 
 [[package]]
 name = "milli"
-version = "0.29.3"
-source = "git+https://github.com/meilisearch/milli.git?tag=v0.29.3#f1d848bb9add86b9414d110a083dfa0462d5d636"
+version = "0.31.1"
+source = "git+https://github.com/meilisearch/milli.git?tag=v0.31.1#83ad1aaf0552db9f63fc21ae9fe3976e61577dc8"
 dependencies = [
  "bimap",
  "bincode",
diff --git a/meilisearch-auth/Cargo.toml b/meilisearch-auth/Cargo.toml
index ed3a589e2..b4921655e 100644
--- a/meilisearch-auth/Cargo.toml
+++ b/meilisearch-auth/Cargo.toml
@@ -8,7 +8,7 @@ base64 = "0.13.0"
 enum-iterator = "0.7.0"
 hmac = "0.12.1"
 meilisearch-types = { path = "../meilisearch-types" }
-milli = { git = "https://github.com/meilisearch/milli.git", tag = "v0.29.3" }
+milli = { git = "https://github.com/meilisearch/milli.git", tag = "v0.31.1" }
 rand = "0.8.4"
 serde = { version = "1.0.136", features = ["derive"] }
 serde_json = { version = "1.0.79", features = ["preserve_order"] }
diff --git a/meilisearch-lib/Cargo.toml b/meilisearch-lib/Cargo.toml
index 094c79901..3629f51a8 100644
--- a/meilisearch-lib/Cargo.toml
+++ b/meilisearch-lib/Cargo.toml
@@ -3,8 +3,6 @@ name = "meilisearch-lib"
 version = "0.28.0"
 edition = "2021"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
 [dependencies]
 actix-web = { version = "4.0.1", default-features = false }
 anyhow = { version = "1.0.56", features = ["backtrace"] }
@@ -30,7 +28,7 @@ lazy_static = "1.4.0"
 log = "0.4.14"
 meilisearch-auth = { path = "../meilisearch-auth" }
 meilisearch-types = { path = "../meilisearch-types" }
-milli = { git = "https://github.com/meilisearch/milli.git", tag = "v0.29.3" }
+milli = { git = "https://github.com/meilisearch/milli.git", tag = "v0.31.1" }
 mime = "0.3.16"
 num_cpus = "1.13.1"
 obkv = "0.2.0"