diff --git a/Cargo.toml b/Cargo.toml
index 49b46f6f1b..165831ba31 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -53,6 +53,8 @@ core = [
 # workloads.
 vec_memory = []
 
+reduced-stack-buffer = [ "parity-wasm/reduced-stack-buffer" ]
+
 [workspace]
 members = ["validation"]
 exclude = ["benches"]