diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 42fb108..a5b4db7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
       - uses: "DeterminateSystems/nix-installer-action@v16"
         with:
           diagnostic-endpoint: ""
-      - uses: "DeterminateSystems/magic-nix-cache-action@v8"
+      - uses: "DeterminateSystems/magic-nix-cache-action@v9"
         with:
           diagnostic-endpoint: ""
       - name: "Print flake metadata"