diff --git a/.github/workflows/build_nix.yml b/.github/workflows/build_nix.yml
index 807e943..0be7b4c 100644
--- a/.github/workflows/build_nix.yml
+++ b/.github/workflows/build_nix.yml
@@ -17,7 +17,7 @@ jobs:
           access_token: ${{ github.token }}
 
       - name: Install Nix
-        uses: cachix/install-nix-action@v20
+        uses: cachix/install-nix-action@v21
 
       - name: Checkout Repository
         uses: actions/checkout@v3