diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index fd8f9f8..901084c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -59,7 +59,7 @@ jobs:
 
       - name: Setup Cachix
         if: github.event_name == 'push' && github.repository_owner == 'stephank'
-        uses: cachix/cachix-action@v10
+        uses: cachix/cachix-action@v11
         with:
           name: stephank
           signingKey: "${{ secrets.CACHIX_SIGNING_KEY }}"