diff --git a/.github/workflows/build_nix.yml b/.github/workflows/build_nix.yml
index e843033..9b2bfe4 100644
--- a/.github/workflows/build_nix.yml
+++ b/.github/workflows/build_nix.yml
@@ -9,5 +9,9 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: DeterminateSystems/nix-installer-action@v9
+      - uses: cachix/cachix-action@v12
+        with:
+          name: aleksrutins
+          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
       - name: Build package
         run: nix build