diff --git a/test-requirements.txt b/test-requirements.txt
index b04fe106d..4c065e2fd 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -17,7 +17,7 @@ pylint==1.4.5 # GPLv2
 requests>=2.14.2 # Apache-2.0
 stestr>=1.0.0 # Apache-2.0
 murano-pkg-check>=0.3.0 # Apache-2.0
-bandit>=1.1.0,<1.6.0 # Apache-2.0
+bandit>=1.1.0,!=1.6.0 # Apache-2.0
 
 # Some of the tests use real MySQL and Postgres databases
 PyMySQL>=0.7.6 # MIT License