diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 203d5a6e7bc9393b159bd6415da7a7b05a24283e..5f66e1dc1c0e2a1be892e5e1dedd23948998e4a0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -43,7 +43,7 @@         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
+      uses: cachix/cachix-action@v8
       if: ${{ matrix.cachixName != '<YOUR_CACHIX_NAME>' }}
       with:
         name: ${{ matrix.cachixName }}