diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index da3eead6af945a4b738fa973c956f29485de6ea3..266535cab33a58e2e840301fbf6adc03aa09c780 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -39,7 +39,7 @@     steps:
     - name: Checkout repository
       uses: actions/checkout@v2.3.4
     - name: Install nix
-      uses: cachix/install-nix-action@v14
+      uses: cachix/install-nix-action@v13
       with:
         nix_path: "${{ matrix.nixPath }}"
     - name: Show nixpkgs version