diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e95d3ca..4b7d290 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
     steps:
       - uses: actions/checkout@v7
       - name: Install uv and Python ${{ matrix.python-version }}
-        uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           python-version: ${{ matrix.python-version }}
           enable-cache: true
@@ -32,7 +32,7 @@ jobs:
     steps:
       - uses: actions/checkout@v7
       - name: Install uv
-        uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           python-version: "3.12"
           enable-cache: true
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b537b79..b2899e1 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,7 +16,7 @@ jobs:
     steps:
       - uses: actions/checkout@v7
       - name: Install uv
-        uses: astral-sh/setup-uv@08807647e7069bb48b6ef5acd8ec9567f424441b # v8.1.0
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           python-version: "3.12"
       - name: Build distributions