diff --git a/requirements_dev.txt b/requirements_dev.txt
index 630aebc..f3b4036 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,5 +1,5 @@
 bump2version==0.5.8
-coverage==4.5.1
+coverage==4.5.2
 cryptography==2.3.1
 flake8==3.5.0
 pip==18.0