diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 27bd31c..274781d 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-      - uses: astral-sh/setup-uv@d0cc045d04ccac9d8b7881df0226f9e82c39688e # v6
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
       - run: uv python install 3.12
       - run: uv sync --extra dev
       - run: uv run ruff check src/ tests/
@@ -25,7 +25,7 @@ jobs:
     needs: lint
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-      - uses: astral-sh/setup-uv@d0cc045d04ccac9d8b7881df0226f9e82c39688e # v6
+      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
       - run: uv python install 3.12
       - run: uv sync --extra dev
       - run: uv run pytest -v --cov=src --cov-report=term-missing --cov-fail-under=60