diff --git a/.github/workflows/build-release.yml b/.github/workflows/build-release.yml
index 3ee4979..696259b 100644
--- a/.github/workflows/build-release.yml
+++ b/.github/workflows/build-release.yml
@@ -24,7 +24,7 @@ jobs:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
         with:
           persist-credentials: false
-      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
+      - uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
         with: # zizmor: ignore[cache-poisoning] cache key is lockfile-derived
           enable-cache: true
       - run: uv run tox -e ${{ matrix.tox }}
@@ -35,7 +35,7 @@ jobs:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
         with:
           persist-credentials: false
-      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
+      - uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
         with: # zizmor: ignore[cache-poisoning] cache key is lockfile-derived
           enable-cache: true
       - run: uv build
@@ -54,7 +54,7 @@ jobs:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
         with:
           persist-credentials: false
-      - uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
+      - uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1
         with: # zizmor: ignore[cache-poisoning] cache key is lockfile-derived
           enable-cache: true
       - run: uv run tox -elint
diff --git a/pyproject.toml b/pyproject.toml
index 8f71619..30e82e4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,7 +46,7 @@ default-groups = ["dev"]
 exclude-newer = "1 week"
 
 [build-system]
-requires = ["flit_core<4"]
+requires = ["flit_core<5"]
 build-backend = "flit_core.buildapi"
 
 [tool.flit.sdist]