diff --git a/dev-requirements.txt b/dev-requirements.txt
index 8d5d06a..4a605a3 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -6,5 +6,5 @@ icalendar==4.1.1
 
 # test
 pytest==8.3.3
-coverage==6.5.0
+coverage==7.6.4
 black==23.12.1