diff --git a/setup.py b/setup.py
index 551eefe5..a329f8fa 100755
--- a/setup.py
+++ b/setup.py
@@ -55,6 +55,7 @@ def read(fname):
     ],
     extras_require={
         "dev": [
+            "coverage~=5.5"
             "black==20.8b1",
             "flake8==3.9.0",
             "isort~=5.0",