diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fa6a1fbe28c1856562cb55a3e52b0e30a815b5ff..9cd0e59279d1109dfcda57716b76c7f2bc17655e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -37,7 +37,7 @@     steps:
     - name: Checkout repository
       uses: actions/checkout@v2.3.4
     - name: Install nix
-      uses: cachix/install-nix-action@v12
+      uses: cachix/install-nix-action@v11
       with:
         nix_path: "${{ matrix.nixPath }}"
     - name: Show nixpkgs version