diff --git a/.github/workflows/cache.yml b/.github/workflows/cache.yml
index 164a52d..6b6e57f 100644
--- a/.github/workflows/cache.yml
+++ b/.github/workflows/cache.yml
@@ -26,7 +26,7 @@ jobs:
       
       # Save build cache for PR builds
       - name: Save Build Cache
-        uses: actions/cache/save@v4
+        uses: actions/cache/save@v5
         with:
           path: _build
           key: build-${{ hashFiles('environment.yml') }}-${{ github.sha }}