diff --git a/flake.nix b/flake.nix
index 1d154b4..1a33f7c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -14,7 +14,10 @@
   outputs = { self, nixpkgs, flake-utils, rust-overlay, foundry, solc, nixpkgs-old }:
     flake-utils.lib.eachDefaultSystem (system:
       let
-        overlays = [ (import rust-overlay) foundry.overlay solc.overlay ];
+        wasm-bindgen-overlay = final: prev: {
+          wasm-bindgen-cli = prev.wasm-bindgen-cli_0_2_100;
+        };
+        overlays = [ (import rust-overlay) foundry.overlay solc.overlay wasm-bindgen-overlay ];
         pkgs = import nixpkgs { inherit system overlays; };
         old-pkgs = import nixpkgs-old { inherit system; };