diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4f484e5..58d1919 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,6 +1,6 @@
 -e .
 coverage==4.4.1
-isort==4.2.13
+isort==4.2.15
 py==1.4.33
 pytest-django==3.1.2
 pytest==3.1.1