diff --git a/dev-requirements.txt b/dev-requirements.txt
index b102036488..9cc2d576b6 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -30,7 +30,7 @@ gitpython==2.1.11
 idna==2.8
 ipaddress==1.0.22 ; python_version < "3.0"
 iso8601==0.1.12
-isort==4.3.16
+isort==4.3.17
 lazy-object-proxy==1.3.1
 mccabe==0.6.1
 pbr==5.1.3