diff --git a/Cargo.lock b/Cargo.lock
index dd7d828da..a894cb8c6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -666,14 +666,14 @@ dependencies = [
 [[package]]
 name = "charabia"
 version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b57f9571f611796ea38e5a9c12e5ce37476f70397b032757f8dfe0c7b9bc5637"
+source = "git+https://github.com/meilisearch/charabia?branch=fix-script-lang-serialization#c5efba56d433ff783e162009e020baba322afde0"
 dependencies = [
  "cow-utils",
  "csv",
  "deunicode",
  "fst",
  "jieba-rs",
+ "kvariants",
  "lindera",
  "once_cell",
  "pinyin",
@@ -2074,6 +2074,16 @@ dependencies = [
  "simple_asn1",
 ]
 
+[[package]]
+name = "kvariants"
+version = "0.1.0"
+source = "git+https://github.com/meilisearch/charabia?branch=fix-script-lang-serialization#c5efba56d433ff783e162009e020baba322afde0"
+dependencies = [
+ "csv",
+ "once_cell",
+ "serde",
+]
+
 [[package]]
 name = "language-tags"
 version = "0.3.2"
diff --git a/milli/Cargo.toml b/milli/Cargo.toml
index b32592ab9..b6449c5db 100644
--- a/milli/Cargo.toml
+++ b/milli/Cargo.toml
@@ -9,7 +9,8 @@ bimap = { version = "0.6.2", features = ["serde"] }
 bincode = "1.3.3"
 bstr = "1.0.1"
 byteorder = "1.4.3"
-charabia = { version = "0.7.0", default-features = false }
+# charabia = { version = "0.7.0", default-features = false }
+charabia = { git = "https://github.com/meilisearch/charabia", branch = "fix-script-lang-serialization", default-features = false }
 concat-arrays = "0.1.2"
 crossbeam-channel = "0.5.6"
 deserr = "0.1.4"