diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 4f3bbd9d3..33b084234 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: DeterminateSystems/nix-installer-action@v16
-      - uses: DeterminateSystems/magic-nix-cache-action@v7
+      - uses: DeterminateSystems/magic-nix-cache-action@v9
       - name: Install & configure Cachix
         shell: bash
         run: |