diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 7b2fa30..43ebf83 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -46,7 +46,10 @@ jobs:
 
       - uses: DeterminateSystems/nix-installer-action@v17
 
-      - uses: DeterminateSystems/magic-nix-cache-action@v9
+      - uses: nix-community/cache-nix-action@v6
+        with:
+          primary-key: nix-${{ runner.os }}-${{ hashFiles('flake.lock') }}
+          restore-prefixes-first-match: nix-${{ runner.os }}-
 
       - name: nix flake check
         run: nix flake check