diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a170c75..0015864 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -37,17 +37,17 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v2.3.4
     - name: Install nix
-      uses: cachix/install-nix-action@v13
+      uses: cachix/install-nix-action@v12
       with:
         nix_path: "${{ matrix.nixPath }}"
     - name: Show nixpkgs version
       run: nix-instantiate --eval -E '(import <nixpkgs> {}).lib.version'
-#   - name: Setup cachix
-#     uses: cachix/cachix-action@v9
-#     if: ${{ matrix.cachixName != '<YOUR_CACHIX_NAME>' }}
-#     with:
-#       name: ${{ matrix.cachixName }}
-#       signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
+    - name: Setup cachix
+      uses: cachix/cachix-action@v8
+      if: ${{ matrix.cachixName != '<YOUR_CACHIX_NAME>' }}
+      with:
+        name: ${{ matrix.cachixName }}
+        signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
     - name: Check evaluation
       run: |
         nix-env -f . -qa \* --meta --xml \