diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2dcaee4..98d6b98 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,7 +26,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Install uv
-        uses: astral-sh/setup-uv@v7.1.5
+        uses: astral-sh/setup-uv@ed21f2f24f8dd64503750218de024bcf64c7250a # v7.1.5
         id: setup-uv
         with:
           # renovate: datasource=pypi dependency=uv