diff --git a/requirements.txt b/requirements.txt
index 55e6215..c60cb9d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ asn1crypto==1.3.0
 astroid==2.3.3
 atomicwrites==1.3.0
 attrs==19.3.0
-Babel==2.8.0
+Babel==2.9.1
 backcall==0.1.0
 biopython==1.74
 certifi==2020.4.5.1