diff --git a/requirements/requirements-optionals.txt b/requirements/requirements-optionals.txt
index e58db0f86..87cdb82da 100644
--- a/requirements/requirements-optionals.txt
+++ b/requirements/requirements-optionals.txt
@@ -1,6 +1,6 @@
 # Optional packages which may be used with REST framework.
-psycopg2-binary==2.7.4
-markdown==2.6.4
+psycopg2-binary==2.7.5
+markdown==2.6.11
 django-guardian==1.4.9
 django-filter==1.1.0
 coreapi==2.3.1