diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 02d4fde..3547bd4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,21 +12,20 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ["3.10", "3.11", "3.12", "3.13", "3.13t", "3.14", "3.14t", "3.15.0-alpha.1"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.13t", "3.14", "3.14t", "3.15.0-alpha.2"]
         os: ["ubuntu-latest", "windows-latest", "macos-latest"]
 
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.python-version }}
-      # uv doc: https://docs.astral.sh/uv/guides/integration/github/
       - name: Install uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v7
         with:
-          version: "0.9.3"
+          version: "0.9.11"
       - name: Run ruff
         run: |
           uvx ruff check
diff --git a/README.md b/README.md
index fc56134..b745109 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 ![OS Independant](https://img.shields.io/badge/OS_Independant-%E2%9C%93-blue)
-[![python versions](https://img.shields.io/badge/python-3.10%20|%203.11%20|%203.12%20|%203.13%20|%203.14%20|%203.15.0a1-blue)](https://devguide.python.org/versions/)
+[![python versions](https://img.shields.io/badge/python-3.10%20|%203.11%20|%203.12%20|%203.13%20|%203.14%20|%203.15.0a2-blue)](https://devguide.python.org/versions/)
 [![license MIT](https://img.shields.io/github/license/eliegoudout/paramclasses)](https://opensource.org/licenses/MIT)
 [![pypi](https://img.shields.io/pypi/v/paramclasses)](https://pypi.org/project/paramclasses/)
 [![pipeline status](https://github.com/eliegoudout/paramclasses/actions/workflows/ci.yml/badge.svg)](https://github.com/eliegoudout/paramclasses/actions)
diff --git a/test/paramclasses/test_signature.py b/test/paramclasses/test_signature.py
index 9608f19..9a0a579 100644
--- a/test/paramclasses/test_signature.py
+++ b/test/paramclasses/test_signature.py
@@ -156,22 +156,18 @@ def test_signature_call_non_unpackable(
 
     # Non-unpackable ``args``
     if accepts_args:
-        msg = (
-            f"{ParamWithPostInit.__name__}.__post_init__() argument after * must be an"
-            " iterable, not NoneType"
-        )
+        # >=3.15.0a2-compatible message (python/cpython/pull/136395)
+        msg = " after * must be an iterable, not NoneType"
         args_kwargs = [None, {}] if accepts_kwargs else [None]
-        with pytest.raises(TypeError, match=f"^{re.escape(msg)}$"):
+        with pytest.raises(TypeError, match=f"{re.escape(msg)}$"):
             ParamWithPostInit(*args_kwargs)
 
     # Non-unpackable ``kwargs``
     if accepts_kwargs:
-        msg = (
-            f"{ParamWithPostInit.__name__}.__post_init__() argument after ** must be a"
-            " mapping, not NoneType"
-        )
+        # >=3.15.0a2-compatible message (python/cpython/pull/136395)
+        msg = " after ** must be a mapping, not NoneType"
         args_kwargs = [[], None] if accepts_args else [None]
-        with pytest.raises(TypeError, match=f"^{re.escape(msg)}$"):
+        with pytest.raises(TypeError, match=f"{re.escape(msg)}$"):
             ParamWithPostInit(*args_kwargs)