diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index 9b7f28136..5c55756de 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -18,7 +18,7 @@ jobs:
       - uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
-      - uses: actions/cache@v5
+      - uses: actions/cache@v6
         with:
           path: |
             cache/Tectonic/*