diff --git a/.github/workflows/repo-checks.yml b/.github/workflows/repo-checks.yml
index d5623fedb5..66c2abea2f 100644
--- a/.github/workflows/repo-checks.yml
+++ b/.github/workflows/repo-checks.yml
@@ -79,9 +79,10 @@ jobs:
         run: python3 scripts/readme_toc.py README.md
 
       - name: Install uv
-        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           version: "0.11.3"
+          prune-cache: true
       - name: Check formatting (run `just fmt` to fix)
         run: just fmt-check