diff --git a/dev-requirements.txt b/dev-requirements.txt
index 9b7be27..60b3264 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,5 +1,5 @@
 mypy-lang==0.4.6
 nose==1.3.7
 jedi==0.9.0
-coverage==4.3.3
+coverage==4.3.4
 typed-ast==0.6.3
\ No newline at end of file