diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6d6165bb..fc8084bc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v7
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v7
+        uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7 # v10.2.0
         with:
           enable-cache: true
 
diff --git a/.github/workflows/deploy-website.yml b/.github/workflows/deploy-website.yml
index 87486c46..36fa5e7b 100644
--- a/.github/workflows/deploy-website.yml
+++ b/.github/workflows/deploy-website.yml
@@ -26,7 +26,7 @@ jobs:
       - uses: actions/checkout@v7
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v7
+        uses: astral-sh/setup-uv@c18668ad3cf93ea998bef934396af7bb5c839dc7 # v10.2.0
         with:
           enable-cache: true