diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index ba97686..24861ef 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -41,7 +41,7 @@ jobs:
         with:
           python-version: '3.13'
       - name: Install the latest version of uv
-        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
           version: "latest"
diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index e1b4ed9..bd5d278 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -61,7 +61,7 @@ jobs:
         python -c "import sys; print('Free-threading enabled:', not sys._is_gil_enabled() if hasattr(sys, '_is_gil_enabled') else False)"
 
     - name: Install uv
-      uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
       with:
         enable-cache: true
         cache-dependency-glob: |
@@ -112,7 +112,7 @@ jobs:
         python-version: '3.12'
 
     - name: Install uv
-      uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
       with:
         enable-cache: true
         cache-dependency-glob: |