diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index d20890f..0ce56e3 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -32,6 +32,7 @@ jobs:
         with:
           extra-conf: |
             extra-platforms = aarch64-linux
+      - uses: DeterminateSystems/magic-nix-cache-action@main
 
       - run: nix-shell --run ./ci.sh
         env: