diff --git a/test-requirements.txt b/test-requirements.txt
index 86c94b3602..7f0448ebdd 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -6,7 +6,7 @@
 hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 
 # For translations processing
-Babel>=2.3.4 # BSD
+Babel!=2.4.0,>=2.3.4 # BSD
 
 # Needed for testing
 bandit>=1.1.0 # Apache-2.0