diff --git a/rollup/runtime/Cargo.toml b/rollup/runtime/Cargo.toml
index 596ec17a1..5260acd67 100644
--- a/rollup/runtime/Cargo.toml
+++ b/rollup/runtime/Cargo.toml
@@ -209,7 +209,8 @@ try-runtime = [
 	"sp-runtime/try-runtime",
 ]
 
-fast-runtime = []
+fast-runtime = ["unlocked"]
+unlocked = []
 
 runtime-benchmarks = [
 	"frame-benchmarking/runtime-benchmarks",