diff --git a/trie-db/Cargo.toml b/trie-db/Cargo.toml
index a4568a89..6e62b290 100644
--- a/trie-db/Cargo.toml
+++ b/trie-db/Cargo.toml
@@ -26,6 +26,7 @@ default = ["std"]
 bench = [
   "std",
   "criterion",
+  "test_utils",
 ]
 test_utils = [
   "std",