diff --git a/src/requirements.txt b/src/requirements.txt
index a177f5a..5a8f934 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -1,5 +1,5 @@
 appdirs==1.4.3
-Babel==1.3
+Babel==2.9.1
 blinker==1.3
 coverage==3.7.1
 decorator==3.4.0