diff --git a/test-requirements.txt b/test-requirements.txt
index d2f4e4ecde1..ef6d7b2ba0b 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -13,6 +13,6 @@ MySQL-python
 psycopg2
 sphinx>=1.1.2,!=1.2.0,!=1.3b1,<1.3
 python-subunit>=0.0.18
-testtools>=0.9.36
+testtools>=0.9.36,!=1.2.0,!=1.4.0
 testrepository>=0.0.18
 oslosphinx>=2.2.0  # Apache-2.0