diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index a98d0215..12fd43b1 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -18,6 +18,6 @@ jobs:
     steps:
       - uses: actions/checkout@v7
 
-      - uses: astral-sh/setup-uv@v8.3.2
+      - uses: astral-sh/setup-uv@v9.0.0
 
       - run: uv run ruff check .
diff --git a/.github/workflows/typecheck.yml b/.github/workflows/typecheck.yml
index 5129d253..2043b004 100644
--- a/.github/workflows/typecheck.yml
+++ b/.github/workflows/typecheck.yml
@@ -18,6 +18,6 @@ jobs:
     steps:
       - uses: actions/checkout@v7
 
-      - uses: astral-sh/setup-uv@v8.3.2
+      - uses: astral-sh/setup-uv@v9.0.0
 
       - run: uv run ty check .