diff --git a/.github/workflows/bench.yml b/.github/workflows/bench.yml
index 93b75607..4b1e0d55 100644
--- a/.github/workflows/bench.yml
+++ b/.github/workflows/bench.yml
@@ -56,7 +56,7 @@ jobs:
           cache-dependency-path: bench/tscg/package-lock.json
 
       - name: Set up uv (uvx-launched MCP reference servers)
-        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990  # v8.3.2
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9  # v9.0.0
 
       - name: Build mcpproxy (personal edition)
         run: go build -o mcpproxy ./cmd/mcpproxy
@@ -247,7 +247,7 @@ jobs:
           cache: true
 
       - name: Set up uv (ToolRet parquet fetch)
-        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990  # v8.3.2
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9  # v9.0.0
 
       # Pinned HF revisions live inside the script; bumping a pin is a
       # reviewed event. Cache lands in bench/results/cache/toolret/<revision>/.
diff --git a/.github/workflows/eval.yml b/.github/workflows/eval.yml
index 394ce32d..b4b8d2cd 100644
--- a/.github/workflows/eval.yml
+++ b/.github/workflows/eval.yml
@@ -77,7 +77,7 @@ jobs:
           path: mcp-eval
 
       - name: Set up uv + Python
-        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
 
@@ -141,7 +141,7 @@ jobs:
           path: mcp-eval
 
       - name: Set up uv + Python (uvx-launched servers + mcp-eval)
-        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}