diff --git a/.github/workflows/deploy-docs.yaml b/.github/workflows/deploy-docs.yaml
index e9934218f..706b2029c 100644
--- a/.github/workflows/deploy-docs.yaml
+++ b/.github/workflows/deploy-docs.yaml
@@ -37,7 +37,7 @@ jobs:
 
       # https://github.com/astral-sh/setup-uv
       - name: Install uv
-        uses: astral-sh/setup-uv@v8.2.0
+        uses: astral-sh/setup-uv@v9.0.0
         with:
           python-version: 3.13
           enable-cache: true
diff --git a/.github/workflows/excel_inbox.yaml b/.github/workflows/excel_inbox.yaml
index 3464351be..ba0b1d859 100644
--- a/.github/workflows/excel_inbox.yaml
+++ b/.github/workflows/excel_inbox.yaml
@@ -98,7 +98,7 @@ jobs:
       # ── Tool setup ───────────────────────────────────────────────────────────
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v8.2.0
+        uses: astral-sh/setup-uv@v9.0.0
         with:
           python-version: "3.12"
           enable-cache: true
@@ -219,7 +219,7 @@ jobs:
           path: src/coremeta4cat/schema/
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v8.2.0
+        uses: astral-sh/setup-uv@v9.0.0
         with:
           python-version: ${{ matrix.python-version }}
           enable-cache: true
@@ -287,7 +287,7 @@ jobs:
       # ── Tool setup ───────────────────────────────────────────────────────────
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v8.2.0
+        uses: astral-sh/setup-uv@v9.0.0
         with:
           python-version: "3.12"
           enable-cache: true
diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 04749a48e..32a4202e2 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -42,7 +42,7 @@ jobs:
 
       # https://github.com/astral-sh/setup-uv
       - name: Install uv
-        uses: astral-sh/setup-uv@v8.2.0
+        uses: astral-sh/setup-uv@v9.0.0
         with:
           python-version: ${{ matrix.python-version }}
           enable-cache: true
diff --git a/.github/workflows/test_pages_build.yaml b/.github/workflows/test_pages_build.yaml
index 9f2f89b70..e627be7fa 100644
--- a/.github/workflows/test_pages_build.yaml
+++ b/.github/workflows/test_pages_build.yaml
@@ -40,7 +40,7 @@ jobs:
 
       # https://github.com/astral-sh/setup-uv
       - name: Install uv
-        uses: astral-sh/setup-uv@v8.2.0
+        uses: astral-sh/setup-uv@v9.0.0
         with:
           python-version: 3.13
           enable-cache: true
diff --git a/.github/workflows/update_excel.yaml b/.github/workflows/update_excel.yaml
index 4f3e8f4d1..2484bc9db 100644
--- a/.github/workflows/update_excel.yaml
+++ b/.github/workflows/update_excel.yaml
@@ -46,7 +46,7 @@ jobs:
           fetch-depth: 0
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v8.2.0
+        uses: astral-sh/setup-uv@v9.0.0
         with:
           python-version: "3.12"
           enable-cache: true