diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0c0d99e9a..a5e68928a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,7 +38,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v10.2.0
+        uses: astral-sh/setup-uv@v10.3.0
         with:
           enable-cache: true
           python-version: ${{ matrix.python-version }}
@@ -164,7 +164,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v10.2.0
+        uses: astral-sh/setup-uv@v10.3.0
         with:
           enable-cache: true
           python-version: ${{ matrix.python-version }}
@@ -238,7 +238,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v10.2.0
+        uses: astral-sh/setup-uv@v10.3.0
         with:
           enable-cache: true
           python-version: ${{ matrix.python-version }}
@@ -324,7 +324,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v10.2.0
+        uses: astral-sh/setup-uv@v10.3.0
         with:
           enable-cache: true
           python-version: ${{ matrix.python-version }}
@@ -376,7 +376,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v10.2.0
+        uses: astral-sh/setup-uv@v10.3.0
 
       - name: Check version fields + the CHANGELOG release contract
         run: uv run --no-project python scripts/release.py check
@@ -411,7 +411,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v10.2.0
+        uses: astral-sh/setup-uv@v10.3.0
         with:
           enable-cache: true
           python-version: '3.11'
@@ -453,7 +453,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v10.2.0
+        uses: astral-sh/setup-uv@v10.3.0
         with:
           # A clean-room build: nothing here should come from a restored cache.
           enable-cache: false
diff --git a/.github/workflows/psmux-canary.yml b/.github/workflows/psmux-canary.yml
index fd54e7df7..6f5f2c422 100644
--- a/.github/workflows/psmux-canary.yml
+++ b/.github/workflows/psmux-canary.yml
@@ -27,7 +27,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v10.2.0
+        uses: astral-sh/setup-uv@v10.3.0
         with:
           enable-cache: false
           python-version: '3.14'
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a6e086674..580fd96dc 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -52,7 +52,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v10.2.0
+        uses: astral-sh/setup-uv@v10.3.0
         with:
           # This is the one job that writes outside the run (it pushes a tag and
           # cuts a release), so it does not restore a cache another workflow could