diff --git a/explora/docs/requirements.txt b/explora/docs/requirements.txt
index f60697c..6863604 100644
--- a/explora/docs/requirements.txt
+++ b/explora/docs/requirements.txt
@@ -6,7 +6,7 @@ astor==0.8.0
 asyncio==3.4.3
 attrs==19.2.0
 Automat==0.7.0
-Babel==2.7.0
+Babel==2.9.1
 backcall==0.1.0
 bleach==3.1.0
 certifi==2019.9.11
diff --git a/explora/requirements.txt b/explora/requirements.txt
index c428656..b32cc27 100644
--- a/explora/requirements.txt
+++ b/explora/requirements.txt
@@ -6,7 +6,7 @@ astor==0.8.0
 asyncio==3.4.3
 attrs==19.2.0
 Automat==0.7.0
-Babel==2.7.0
+Babel==2.9.1
 backcall==0.1.0
 bleach==3.1.0
 certifi==2019.9.11