diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 472e7576..50915250 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,3 +35,6 @@ jobs:
           PYTHONUTF8: 1
         run: pytest --cov agate
       - run: python charts.py
+      - env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: coveralls --service=github
diff --git a/README.rst b/README.rst
index 558d5d2f..321e333f 100644
--- a/README.rst
+++ b/README.rst
@@ -2,6 +2,10 @@
     :target: https://github.com/wireservice/agate/actions
     :alt: Build status
 
+.. image:: https://coveralls.io/repos/wireservice/agate/badge.svg?branch=master
+    :target: https://coveralls.io/r/wireservice/agate
+    :alt: Coverage status
+
 .. image:: https://img.shields.io/pypi/dm/agate.svg
     :target: https://pypi.python.org/pypi/agate
     :alt: PyPI downloads