diff --git a/test-requirements.txt b/test-requirements.txt
index 05dde294..879b3f49 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
 flake8-docstrings==0.2.1.post1 # MIT
 flake8-import-order>=0.17.1 #LGPLv3
 
-bandit!=1.6.0,>=1.1.0 # Apache-2.0
+bandit<1.6.0,>=1.1.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
 mock>=2.0.0 # BSD