diff --git a/requirements-dev.txt b/requirements-dev.txt
index d5c6988..8c7c7a0 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,6 +1,6 @@
 -e .
 coverage==4.4.1
-isort==4.2.12
+isort==4.2.13
 py==1.4.33
 pytest==3.1.1
 pytest-django==3.1.2