diff --git a/requirements.txt b/requirements.txt
index 1b408d1f..069d0497 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-Babel>=1.3 # BSD
+Babel!=2.3.0,!=2.3.1,!=2.3.2,!=2.3.3,>=1.3 # BSD
 pbr>=1.6 # Apache-2.0
 cliff!=1.16.0,!=1.17.0,>=1.15.0 # Apache-2.0
 PrettyTable<0.8,>=0.7 # BSD