diff --git a/.github/workflows/build-site.yml b/.github/workflows/build-site.yml
index 7d8c0d2..7288142 100644
--- a/.github/workflows/build-site.yml
+++ b/.github/workflows/build-site.yml
@@ -136,7 +136,7 @@ jobs:
 
       - name: Cache Zotero Bibliography
         id: cache-bib
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: |
             static/data/bibliography.json