diff --git a/meilidb-core/Cargo.toml b/meilidb-core/Cargo.toml
index 5523a1331..2c5ec0680 100644
--- a/meilidb-core/Cargo.toml
+++ b/meilidb-core/Cargo.toml
@@ -19,3 +19,4 @@ slice-group-by = "0.2.4"
 
 [features]
 i128 = ["byteorder/i128"]
+nightly = ["hashbrown/nightly", "slice-group-by/nightly"]
diff --git a/meilidb/Cargo.toml b/meilidb/Cargo.toml
index 01538e878..1600feb04 100644
--- a/meilidb/Cargo.toml
+++ b/meilidb/Cargo.toml
@@ -36,7 +36,11 @@ default = ["simd"]
 i128 = ["bincode/i128", "meilidb-core/i128"]
 portable = ["rocksdb/portable"]
 simd = ["rocksdb/sse"]
-nightly = ["hashbrown/nightly", "slice-group-by/nightly"]
+nightly = [
+    "hashbrown/nightly",
+    "slice-group-by/nightly",
+    "meilidb-core/nightly"
+]
 
 [dev-dependencies]
 csv = "1.0.5"