diff --git a/test-requirements.txt b/test-requirements.txt
index e31a646..5dd6fe0 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -10,4 +10,4 @@ oslo.i18n>=3.15.3 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
 
 # Bandit security code scanner
-bandit>=1.1.0 # Apache-2.0
+bandit>=1.6.0,<1.7.0 # Apache-2.0