diff --git a/requirements.txt b/requirements.txt
index bb3c3a7..ee5b3b7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ astroid==2.3.1
 astropy==4.0
 atomicwrites==1.3.0
 attrs==19.3.0
-Babel==2.8.0
+Babel==2.9.1
 backcall==0.1.0
 backports.os==0.1.1
 backports.shutil-get-terminal-size==1.0.0