diff --git a/requirements.txt b/requirements.txt
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 Babel==1.3
 Beaker==1.7.0
+Chameleon==2.24
 CProfileV==1.0.6
 FormEncode==1.2.4
 Jinja2==2.7.3
@@ -138,6 +139,7 @@ transifex-client==0.10
 translationstring==1.3
 trollius==1.0.4
 uWSGI==2.0.11.2
+urllib3==1.16
 venusian==1.0
 waitress==0.8.9
 wsgiref==0.1.2