diff --git a/requirements.txt b/requirements.txt
index 1b26122..799aec4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-coverage==4.5.1
+coverage==5.2
 enum34==1.1.6
 futures==3.2.0; python_version < '3.0'
 googleapis-common-protos==1.5.3