diff --git a/tox.ini b/tox.ini
index 6e72e4f..b224035 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,13 +8,13 @@ commands_post = coverage report
 basepython =
     py36: python3.6
 deps =
-	django-discover-runner
-	django111: django==1.11
-	django22: django==2.2
-	django30: django==3.0
-	coverage
-	ua_parser==0.7.1
-	mock==2.0.0
+    django-discover-runner
+    django111: django==1.11
+    django22: django==2.2
+    django30: django==3.0
+    coverage
+    ua_parser==0.7.1
+    mock==2.0.0
 
 [testenv:docs]
 basepython = python2.7
@@ -22,6 +22,7 @@ deps =
     Sphinx
     django==1.11
     ua_parser==0.7.1
+    coverage
 commands =
     make clean
     make html