diff --git a/.github/workflows/zizmor.yml b/.github/workflows/zizmor.yml
index fc2834f1..2759b1e6 100644
--- a/.github/workflows/zizmor.yml
+++ b/.github/workflows/zizmor.yml
@@ -22,7 +22,7 @@ jobs:
           persist-credentials: false
 
       - name: Install the latest version of uv
-        uses: astral-sh/setup-uv@bd01e18f51369d5a26f1651c3cb451d3417e3bba # 6.3.1
+        uses: astral-sh/setup-uv@7edac99f961f18b581bbd960d59d049f04c0002f # 6.4.1
         with:
           enable-cache: false