diff --git a/.github/workflows/book.yml b/.github/workflows/book.yml
index 8bae25045..b2ff6775f 100644
--- a/.github/workflows/book.yml
+++ b/.github/workflows/book.yml
@@ -55,7 +55,7 @@ jobs:
           publish_dir: ./book/book/html
 
       - name: Upload PDF File to Artifact
-        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4 # v5.0.0
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
         with:
           name: The_halo2_Book
           path: book/book/pdf-outline/*.pdf