diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b7de471..4718f2c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
         python-version: [ '3.9', '3.10', '3.11', '3.12', '3.13' ]
     steps:
       - uses: actions/checkout@v7
-      - uses: astral-sh/setup-uv@v8.3.2
+      - uses: astral-sh/setup-uv@v9.0.0
         with:
           enable-cache: true
       - run: uv python install ${{ matrix.python-version }}
diff --git a/.github/workflows/code-checks.yml b/.github/workflows/code-checks.yml
index 3ce0589..150f868 100644
--- a/.github/workflows/code-checks.yml
+++ b/.github/workflows/code-checks.yml
@@ -9,7 +9,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v7
-      - uses: astral-sh/setup-uv@v8.3.2
+      - uses: astral-sh/setup-uv@v9.0.0
         with:
           enable-cache: true
       - run: uv python install 3.12
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v7
-      - uses: astral-sh/setup-uv@v8.3.2
+      - uses: astral-sh/setup-uv@v9.0.0
         with:
           enable-cache: true
       - run: uv python install 3.12
diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index 3d4df2f..3b1984e 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v7
-      - uses: astral-sh/setup-uv@v8.3.2
+      - uses: astral-sh/setup-uv@v9.0.0
         with:
           enable-cache: true
       - run: uv python install 3.12
diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
index e315819..d6518f9 100644
--- a/.github/workflows/copilot-setup-steps.yml
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -12,7 +12,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Set up uv
-        uses: astral-sh/setup-uv@v8.3.2
+        uses: astral-sh/setup-uv@v9.0.0
         with:
           enable-cache: true
       - run: uv python install 3.11
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index c719a08..3f834d8 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v7
-      - uses: astral-sh/setup-uv@v8.3.2
+      - uses: astral-sh/setup-uv@v9.0.0
         with:
           enable-cache: true
       - run: uv python install 3.12
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 6793633..0cefd2d 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v7
-      - uses: astral-sh/setup-uv@v8.3.2
+      - uses: astral-sh/setup-uv@v9.0.0
       - run: uv python install 3.11
       - run: make
       - run: make test