diff --git a/.github/workflows/unittest.yaml b/.github/workflows/unittest.yaml
index f1fde21..835e3ad 100644
--- a/.github/workflows/unittest.yaml
+++ b/.github/workflows/unittest.yaml
@@ -41,7 +41,7 @@ jobs:
     - uses: actions/checkout@v3
 
     - name: Install the latest version of uv
-      uses: astral-sh/setup-uv@v6.3.1
+      uses: astral-sh/setup-uv@d9e0f98d3fc6adb07d1e3d37f3043649ddad06a1 #v6.5.0
       with:
         version: "latest"