diff --git a/requirements.txt b/requirements.txt
index 7c38b41..9d159f2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
 attrs==22.1.0
+coverage==6.5.0
 exceptiongroup==1.0.4
 iniconfig==1.1.1
 packaging==21.3