diff --git a/crates/polars-sql/Cargo.toml b/crates/polars-sql/Cargo.toml
index 09b0fbbbdc607..944e99badcd21 100644
--- a/crates/polars-sql/Cargo.toml
+++ b/crates/polars-sql/Cargo.toml
@@ -21,8 +21,9 @@ sqlparser = { workspace = true }
 # sqlparser = { git = "https://github.com/sqlparser-rs/sqlparser-rs.git", rev = "ae3b5844c839072c235965fe0d1bddc473dced87" }
 
 [features]
-csv = ["polars-lazy/csv"]
-json = ["polars-lazy/json"]
 default = []
+csv = ["polars-lazy/csv"]
 ipc = ["polars-lazy/ipc"]
+json = ["polars-lazy/json"]
+nightly = ["polars-core/nightly"]
 parquet = ["polars-lazy/parquet"]