diff --git a/requirements-dev.txt b/requirements-dev.txt
index 0155f58..0599b76 100644
Binary files a/requirements-dev.txt and b/requirements-dev.txt differ
diff --git a/requirements.txt b/requirements.txt
index 335984e..d4b4571 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 dj-database-url>=0.5.0
-Django>=2.1.1
+Django>=2.1.5
 django-authtools>=1.6.0
-djangorestframework>=3.8.2
-psycopg2>=2.7.5
+djangorestframework>=3.9.0
+psycopg2>=2.7.6.1
 python-decouple>=3.1
-pytz>=2018.5
+pytz>=2018.9