diff --git a/Cargo.toml b/Cargo.toml
index 188ab20..649c083 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,10 @@ serde = { version = "1.0", optional = true, default-features = false, features =
 glob = "0.3.1"
 hex = { version = "0.4.3", default-features = false, features = ["alloc"] }
 serde_yaml = { version = "0.9", optional = true }
-once_cell = { version = "1.19.0", default-features = false }
+once_cell = { version = "1.19.0", default-features = false, features = [
+    "race",
+    "alloc",
+] }
 bls12_381 = "0.8.0"
 
 [features]