diff --git a/requirements.txt b/requirements.txt
index c7af86a..235a40f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ astor==0.8.0
 astroid==1.6.1
 astropy==2.0.3
 attrs==19.1.0
-Babel==2.5.3
+Babel==2.9.1
 backcall==0.1.0
 backports.shutil-get-terminal-size==1.0.0
 beautifulsoup4==4.6.0