diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 31598e3..cefa561
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Babel==2.1.1
+Babel==2.9.1
 Jinja2==2.8
 MarkupSafe==0.23
 Pygments==2.0.2