diff --git a/.ci/mitogen_tests.py b/.ci/mitogen_tests.py
index 4ba796c2..dcee87d2 100755
--- a/.ci/mitogen_tests.py
+++ b/.ci/mitogen_tests.py
@@ -12,3 +12,4 @@ os.environ.update({
 })
 
 ci_lib.run('./run_tests -v')
+ci_lib.run('coveralls')