diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ab9be08..d7bb629 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -20,7 +20,7 @@ jobs:
       with:
         python-version: "3.14"
 
-    - uses: astral-sh/setup-uv@v7
+    - uses: astral-sh/setup-uv@v8.1.0
     - run: uvx --with tox-uv tox -e py,style
     - run: uv build
     - name: Publish to PyPI
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 69a1454..6f5c47c 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -21,12 +21,8 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
 
-    - uses: astral-sh/setup-uv@v7
+    - uses: astral-sh/setup-uv@v8.1.0
     - run: uvx --with tox-uv tox -e py
-    - uses: codecov/codecov-action@v5
-      with:
-        files: .tox/test-reports/coverage.xml
-        flags: python-${{ matrix.python-version }}
 
   linters:
 
@@ -38,5 +34,19 @@ jobs:
       with:
         python-version: "3.14"
 
-    - uses: astral-sh/setup-uv@v7
+    - uses: astral-sh/setup-uv@v8.1.0
     - run: uvx --with tox-uv tox -e style,typecheck
+
+  ripple-effect:
+
+    if: github.event_name == 'pull_request'
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v6
+    - uses: actions/setup-python@v6
+      with:
+        python-version: "3.14"
+
+    - uses: astral-sh/setup-uv@v8.1.0
+    - run: uvx ripple-effect run
diff --git a/README.rst b/README.rst
index 7b24ace..745afa5 100644
--- a/README.rst
+++ b/README.rst
@@ -9,10 +9,6 @@ Friendly misc/utils/convenience library
     :target: https://github.com/codrsquad/runez/actions
     :alt: Tested with Github Actions
 
-.. image:: https://codecov.io/gh/codrsquad/runez/branch/main/graph/badge.svg
-    :target: https://codecov.io/gh/codrsquad/runez
-    :alt: Test code codecov
-
 .. image:: https://img.shields.io/pypi/pyversions/runez.svg
     :target: https://github.com/codrsquad/runez
     :alt: Python versions tested (link to github project)
diff --git a/ripple-effect.yml b/ripple-effect.yml
new file mode 100644
index 0000000..b90b863
--- /dev/null
+++ b/ripple-effect.yml
@@ -0,0 +1,6 @@
+# Run `uvx ripple-effect run`
+upstream: .
+proving-grounds: .tox/ripple-check
+downstream-projects:
+  - https://github.com/codrsquad/pickley.git
+  - https://github.com/codrsquad/portable-python.git