diff --git a/requirements.txt b/requirements.txt
index 977834d6ac..72d151f23d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
-Django==1.10.5
+Django==1.10.6
 tornado==4.4.2
-pyOpenSSL
-rsa
-configparser
-pdfkit
-lxml
+pyOpenSSL==16.2.0
+rsa==3.4.2
+configparser==3.5.0
+pdfkit==0.6.1
+lxml==3.7.3