diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e76cce9..eb0494b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -44,7 +44,7 @@ jobs:
         uses: cachix/install-nix-action@v26
 
       - name: Setup cache
-        uses: DeterminateSystems/magic-nix-cache-action@v3
+        uses: DeterminateSystems/magic-nix-cache-action@v4
 
       - name: Run VM
         run: |