diff --git a/.github/workflows/blocking-tests.yml b/.github/workflows/blocking-tests.yml
index 4e168dd..ef83d04 100644
--- a/.github/workflows/blocking-tests.yml
+++ b/.github/workflows/blocking-tests.yml
@@ -41,7 +41,7 @@ jobs:
         uses: ./.github/actions/setup-cycletls
 
       - name: Setup uv
-        uses: astral-sh/setup-uv@v8.3.2
+        uses: astral-sh/setup-uv@v9.0.0
         with:
           python-version: ${{ matrix.python }}
           enable-cache: true
diff --git a/.github/workflows/fingerprint-tests.yml b/.github/workflows/fingerprint-tests.yml
index 02348ab..551bccf 100644
--- a/.github/workflows/fingerprint-tests.yml
+++ b/.github/workflows/fingerprint-tests.yml
@@ -248,7 +248,7 @@ jobs:
         uses: ./.github/actions/setup-cycletls
 
       - name: Setup uv
-        uses: astral-sh/setup-uv@v8.3.2
+        uses: astral-sh/setup-uv@v9.0.0
         with:
           python-version: ${{ matrix.python }}
           enable-cache: true
diff --git a/.github/workflows/live-tests.yml b/.github/workflows/live-tests.yml
index 8b4b0ac..da8f9e2 100644
--- a/.github/workflows/live-tests.yml
+++ b/.github/workflows/live-tests.yml
@@ -41,7 +41,7 @@ jobs:
         uses: ./.github/actions/setup-cycletls
 
       - name: Setup uv
-        uses: astral-sh/setup-uv@v8.3.2
+        uses: astral-sh/setup-uv@v9.0.0
         with:
           python-version: ${{ matrix.python }}
           enable-cache: true
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 59415f9..5def482 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -49,7 +49,7 @@ jobs:
         uses: ./.github/actions/setup-cycletls
 
       - name: Setup uv
-        uses: astral-sh/setup-uv@v8.3.2
+        uses: astral-sh/setup-uv@v9.0.0
         with:
           python-version: '3.12'
           enable-cache: true
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 5a5e583..3e79bb3 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -49,7 +49,7 @@ jobs:
         uses: ./.github/actions/setup-cycletls
 
       - name: Setup uv
-        uses: astral-sh/setup-uv@v8.3.2
+        uses: astral-sh/setup-uv@v9.0.0
         with:
           python-version: ${{ matrix.python }}
           enable-cache: true