diff --git a/requirements.txt b/requirements.txt
index e87080e..9f86950 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ pyramid-debugtoolbar==4.9
 waitress==0.8.10
 dogpile.cache==0.5.6
 pylibmc==1.5.0
-Babel==2.0
+Babel==2.9.1
 -e git+https://github.com/scieloorg/scieloh5m5@1.9.6#egg=scieloh5m5
 xylose==1.35.4
 citedbyapi==1.5.1