diff --git a/requirements.txt b/requirements.txt
index 1464ce8..50c6156 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ astropy==4.0
 atomicwrites==1.3.0
 attrs==19.3.0
 autopep8==1.4.4
-Babel==2.8.0
+Babel==2.9.1
 backcall==0.1.0
 backports.functools-lru-cache==1.6.1
 backports.shutil-get-terminal-size==1.0.0