diff --git a/tox.ini b/tox.ini
index f61b3bb..7e213ad 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,6 +5,7 @@ envlist = pep8,isort,py{35,34,27}-django{19}-{cms34,cms33,cms32,knocker},py{35,3
 commands = {env:COMMAND:python} cms_helper.py test djangocms_blog
 deps =
     py26: unittest2
+    py26: Pillow<4.0
     django16: Django>=1.6,<1.7
     django16: django-taggit<0.18
     django16: django-mptt<0.8
@@ -18,6 +19,7 @@ deps =
     django17: cmsplugin-filer<1.2
     django17: django-haystack
     django17: djangocms-admin-style<1.2
+    django17: django-taggit<0.18
     django18: Django>=1.8,<1.9
     django18: django-mptt>=0.8
     django18: django-filer<1.3
@@ -46,7 +48,7 @@ deps =
     django-meta>=1.2
     html5lib<0.99999999
     https://github.com/nephila/djangocms-helper/archive/release/0.9.x.zip
-    https://github.com/aldryn/aldryn-apphooks-config/archive/master.zip
+    aldryn-apphooks-config
     https://github.com/nephila/djangocms-apphook-setup/archive/master.zip
     -r{toxinidir}/requirements-test.txt