diff --git a/requirements.txt b/requirements.txt
index a7dde000..96f1be76 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,26 +3,26 @@ contextlib2==0.5.5
 diff-match-patch==20121119
 dj-database-url==0.5.0
 dj-static==0.0.6
-Django==2.0.3
+Django==2.0.4
 django-debug-toolbar==1.9.1
 django-ical==1.4
 django-recaptcha==1.4.0
-django-registration-redux==2.2
+django-registration-redux==2.4
 django-reversion==2.0.13
 django-toolbelt==0.0.1
-premailer==3.1.1
+premailer==3.2.0
 #django-widget-tweaks==1.4.1
 git+git://github.com/jazzband/django-widget-tweaks.git@1.4.2
 gunicorn==19.7.1
 icalendar==4.0.1
 lxml==4.2.1
 Markdown==2.6.11
-Pillow==5.0.0
+Pillow==5.1.0
 psycopg2==2.7.4
 Pygments==2.2.0
 PyPDF2==1.26.0
-python-dateutil==2.7.1
-pytz==2018.3
+python-dateutil==2.7.2
+pytz==2018.4
 raven==6.6.0
 reportlab==3.4.0
 selenium==3.11.0
@@ -32,7 +32,7 @@ sqlparse==0.2.4
 static3==0.7.0
 svg2rlg==0.3
 yolk==0.4.3
-z3c.rml==3.3.0
+z3c.rml==3.5.0
 zope.event==4.3.0
 zope.interface==4.4.3
 zope.schema==4.5.0
\ No newline at end of file