diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 363419dfc5d0c34d70b2e7180f0b3de3949cdeb6..c79b72893fb50d9fc1c5a0305dd9321d11054808 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -37,7 +37,7 @@     steps:
     - name: Checkout repository
       uses: actions/checkout@v2.3.3
     - name: Install nix
-      uses: cachix/install-nix-action@v12
+      uses: cachix/install-nix-action@v11
       with:
         nix_path: "${{ matrix.nixPath }}"
     - name: Show nixpkgs version