diff --git a/.github/workflows/ghcjs.yml b/.github/workflows/ghcjs.yml
index 768726e25..f81d2ebd1 100644
--- a/.github/workflows/ghcjs.yml
+++ b/.github/workflows/ghcjs.yml
@@ -43,7 +43,7 @@ jobs:
             keep-outputs = true
 
       - name: 👝 Restore and Cache Nix store
-        uses: nix-community/cache-nix-action@v5
+        uses: nix-community/cache-nix-action@v6
         with:
           primary-key: ${{ runner.os }}-nix-${{ hashfiles('./flake.nix', './flake.lock', '.github/workflows/ghcjs.yml', './rzk/rzk.cabal') }}
           restore-prefixes-first-match: |