diff --git a/requirements.txt b/requirements.txt
index 01c2af71..62f505d5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,12 +21,12 @@ Pillow==5.1.0
 psycopg2==2.7.4
 Pygments==2.2.0
 PyPDF2==1.26.0
-python-dateutil==2.7.2
+python-dateutil==2.7.3
 pytz==2018.4
-raven==6.7.0
+raven==6.8.0
 reportlab==3.4.0
 selenium==3.12.0
-simplejson==3.14.0
+simplejson==3.15.0
 six==1.11.0
 sqlparse==0.2.4
 static3==0.7.0