diff --git a/test-requirements.txt b/test-requirements.txt
index a15776a37..59ebd1197 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,7 +6,6 @@ hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 coverage>=4.0 # Apache-2.0
 ddt>=1.0.1 # MIT
 fixtures>=3.0.0 # Apache-2.0/BSD
-flake8-import-order==0.11 # LGPLv3
 mock>=2.0 # BSD
 mox3!=0.19.0,>=0.7.0 # Apache-2.0
 psycopg2>=2.5 # LGPL/ZPL
diff --git a/tox.ini b/tox.ini
index 7be79ce4f..35f444bed 100644
--- a/tox.ini
+++ b/tox.ini
@@ -37,6 +37,8 @@ commands =
 
 [testenv:pep8]
 basepython = python2.7
+deps = {[testenv]deps}
+  flake8-import-order==0.11
 commands =
   bash tools/flake8wrap.sh {posargs}
   # Check that all JSON files don't have \r\n in line.