diff --git a/requirements_dev.txt b/requirements_dev.txt
index e1514d5..d6b0fdc 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -11,7 +11,7 @@ pytest==4.2.1
 click==7.0
 restructuredtext-lint==1.2.2
 collective.checkdocs==0.2
-coveralls==1.5.1
+coveralls==1.6.0
 pipupgrade==1.4.0
 cmarkgfm==0.4.2
 mock==2.0.0