diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b5865b4..a5369b5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
         uses: jlumbroso/free-disk-space@main
         with:
           tool-cache: true
-      - uses: DeterminateSystems/magic-nix-cache-action@v2
+      - uses: DeterminateSystems/magic-nix-cache-action@v7
       - uses: cachix/cachix-action@v15
         with:
           name: callumio-public