diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ba8ad643..a633e37a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v7
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
       - name: Install dependencies
         run: uv sync --locked --extra dev
       - name: Run lint
@@ -33,7 +33,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v7
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
       - name: Install dependencies
         run: uv sync --locked --extra dev
       - name: Run format check
@@ -59,7 +59,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v7
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
       - name: Install dependencies
         run: uv sync --locked --extra dev
       - name: Run unit tests
@@ -71,7 +71,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - uses: actions/checkout@v7
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
       - uses: actions/setup-node@v7
         with:
           node-version: "24"
diff --git a/.github/workflows/reviewer-eval.yml b/.github/workflows/reviewer-eval.yml
index 148de611..3b91f87a 100644
--- a/.github/workflows/reviewer-eval.yml
+++ b/.github/workflows/reviewer-eval.yml
@@ -79,7 +79,7 @@ jobs:
     timeout-minutes: 360
     steps:
       - uses: actions/checkout@v7
-      - uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
       - name: Install dependencies
         run: uv sync --locked
       - name: Run reviewer eval