diff --git a/tcp_tests/requirements.txt b/tcp_tests/requirements.txt
index 6686d70..f24ed62 100644
--- a/tcp_tests/requirements.txt
+++ b/tcp_tests/requirements.txt
@@ -27,7 +27,7 @@
 
 
 # For Queens: https://github.com/openstack/requirements/blob/stable/queens/global-requirements.txt
-python-heatclient>=1.10.0
+python-heatclient<=1.18.0
 python-glanceclient>=2.8.0
-python-openstackclient==3.18.0
-keystoneauth1>=3.3.0
+python-openstackclient==4.0.0
+keystoneauth1<=5.0.0