diff --git a/requirements_dev.pip b/requirements_dev.pip
index 21caa52..cbe21be 100644
--- a/requirements_dev.pip
+++ b/requirements_dev.pip
@@ -8,5 +8,5 @@ coverage==4.3.4
 cryptography==1.8.1
 PyYAML==3.12
 pytest==3.0.7
-Babel==2.4.0
+Babel==2.8.1
 story==1.2.2