diff --git a/.github/workflows/gh-pages.yaml b/.github/workflows/gh-pages.yaml
index a51ecb1..7de27f0 100644
--- a/.github/workflows/gh-pages.yaml
+++ b/.github/workflows/gh-pages.yaml
@@ -14,7 +14,7 @@ jobs:
       - uses: "actions/checkout@v4"
       - uses: astral-sh/setup-uv@v5
         with:
-          version: "0.6.3"
+          version: "0.9.21"
           python-version: "3.13"
           enable-cache: true
           cache-dependency-glob: "uv.lock"
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index d556964..47e9d30 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -19,7 +19,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - uses: astral-sh/setup-uv@v5
         with:
-          version: "0.6.3"
+          version: "0.9.21"
           python-version: ${{ matrix.python-version }}
           enable-cache: true
           cache-dependency-glob: "uv.lock"
diff --git a/.github/workflows/palette.yml b/.github/workflows/palette.yml
index 6b4ad22..49f7904 100644
--- a/.github/workflows/palette.yml
+++ b/.github/workflows/palette.yml
@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: astral-sh/setup-uv@v5
         with:
-          version: "0.6.3"
+          version: "0.9.21"
           python-version: "3.13"
           enable-cache: true
           cache-dependency-glob: "uv.lock"
diff --git a/.github/workflows/release-please.yaml b/.github/workflows/release-please.yaml
index 6cc1c4c..9c7347d 100644
--- a/.github/workflows/release-please.yaml
+++ b/.github/workflows/release-please.yaml
@@ -34,7 +34,7 @@ jobs:
           python-version-file: "pyproject.toml"
       - uses: astral-sh/setup-uv@v5
         with:
-          version: "0.6.3"
+          version: "0.9.21"
           enable-cache: true
           cache-dependency-glob: "uv.lock"
       - run: uv build
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 01e0b82..58ae336 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -21,7 +21,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - uses: astral-sh/setup-uv@v5
         with:
-          version: "0.6.3"
+          version: "0.9.21"
           python-version: "${{ matrix.python-version }}"
           enable-cache: true
           cache-dependency-glob: "uv.lock"