diff --git a/requirements.txt b/requirements.txt
index ebf402c..8c05af6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ 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