diff --git a/Cargo.toml b/Cargo.toml
index 4bc01865..17127bad 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,6 +27,7 @@ thiserror = "1"
 smartstring = { version = "1" }
 serde_json = { version = "1" }
 either = "1.13.0"
+hashbrown = {version = "=0.14.5", features = ["raw"]}
 
 [dependencies.polars]
 features = [