diff --git a/requirements/dev-requirements.txt b/requirements/dev-requirements.txt
index 6249b9de7..b4a0bed4d 100644
--- a/requirements/dev-requirements.txt
+++ b/requirements/dev-requirements.txt
@@ -7,7 +7,6 @@ django-floppyforms==1.6.1
 easy-thumbnails==2.3
 flake8==2.5.4
 ipdb==0.9.0
-isort==4.2.2
 pygraphviz==1.3rc2
 pytest-ipdb==0.1-prerelease2
 
diff --git a/requirements/test-requirements.txt b/requirements/test-requirements.txt
index 476bc9c8e..5929d4dec 100644
--- a/requirements/test-requirements.txt
+++ b/requirements/test-requirements.txt
@@ -1,6 +1,7 @@
 -r requirements.txt
 coverage
 django-webtest
+isort
 model_mommy
 pep8
 pytest