diff --git a/setup.py b/setup.py
index 2d96300..f146a7b 100644
--- a/setup.py
+++ b/setup.py
@@ -37,7 +37,7 @@ def read(*parts):
 
 tests_require = [
     'codecov==2.1.*',
-    'coverage==5.3.*',
+    'coverage>=5.3,<5.6',
     'pytest-cov==2.10.*',
     'pytest==6.1.*',
     'pycodestyle==2.6.*'