diff --git a/requirements/dev.txt b/requirements/dev.txt
index 1b3b15f98..77e130d5f 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -1,3 +1,3 @@
-isort==4.2.15
+isort==4.3.4
 flake8==3.5.0
 vulture==0.26