diff --git a/tox.ini b/tox.ini
index 0854f446..c1893e25 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,8 +8,6 @@ deps =
     docopt
 # coloroma for colored debug output
     colorama
-# numpydoc for typing scipy stack
-    numpydoc
 setenv =
 # https://github.com/tomchristie/django-rest-framework/issues/1957
 # tox corrupts __pycache__, solution from here:
@@ -24,6 +22,8 @@ deps =
 deps =
 # for testing the typing module
     typing
+# numpydoc for typing scipy stack
+    numpydoc
     {[testenv]deps}
 [testenv:py33]
 deps =
@@ -32,9 +32,11 @@ deps =
 [testenv:py34]
 deps =
     typing
+    numpydoc
     {[testenv]deps}
 [testenv:py35]
 deps =
+    numpydoc
     {[testenv]deps}
 [testenv:cov]
 deps =