diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index f544de4..23b9a8c 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -2,7 +2,7 @@ actionlib==1.11.13
 alabaster==0.7.7
 angles==1.9.12
 apturl==0.5.2
-Babel==1.3
+Babel==2.9.1
 backcall==0.1.0
 beautifulsoup4==4.4.1
 bleach==3.1.0