diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d6783830630df66fd5f390f6093ea5acf805be54..203d5a6e7bc9393b159bd6415da7a7b05a24283e 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@v10
+      uses: cachix/cachix-action@v9
       if: ${{ matrix.cachixName != '<YOUR_CACHIX_NAME>' }}
       with:
         name: ${{ matrix.cachixName }}