diff --git a/requirements-dev.txt b/requirements-dev.txt
index bb2ed931..2a3fb67b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
-coverage==5.0.3
+coverage==5.5
 ddt==1.2.2
 flake8==3.7.9
 mock==3.0.5