diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 235345b0..75ee75ff 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -39,7 +39,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - uses: cachix/install-nix-action@v12
-    - uses: cachix/cachix-action@v6
+    - uses: cachix/cachix-action@v8
       with:
         name: ihaskell
         signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'