diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 668db06..b1ca0e5 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -47,7 +47,13 @@ jobs:
       - name: tox
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: tox -e py,lint,coveralls,release
+        run: tox -e py,lint,release
+
+      - uses: codecov/codecov-action@v2
+        with:
+          name: ${{ matrix.os }}_${{ matrix.python-version}}
+          fail_ci_if_error: true
+          verbose: true
 
       - name: upload dist
         uses: actions/upload-artifact@v2
diff --git a/README.rst b/README.rst
index 6422e85..4da1b86 100644
--- a/README.rst
+++ b/README.rst
@@ -6,9 +6,6 @@
       |_|_|_\___/\__,_\___|_| |_||_|_/__\___|
 
 
-.. image:: https://img.shields.io/coveralls/github/PyCQA/modernize?label=coveralls&logo=coveralls
-    :alt: Coveralls
-    :target: https://coveralls.io/github/PyCQA/modernize
 .. image:: https://img.shields.io/readthedocs/modernize?logo=read-the-docs
     :alt: Read the Docs
     :target: https://modernize.readthedocs.io/en/latest/
diff --git a/pyproject.toml b/pyproject.toml
index 03afe76..6f617f3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -97,13 +97,6 @@ wheel_build_env = build
 # empty environment to build universal wheel once per tox invocation
 # https://github.com/ionelmc/tox-wheel#build-configuration
 
-[testenv:coveralls]
-passenv = GITHUB_*
-deps =
-  coveralls
-  coverage>=5.3
-commands = coveralls
-
 [testenv:lint]
 deps = pre-commit
 commands = pre-commit run --all-files --show-diff-on-failure {posargs}