diff --git a/test-requirements.txt b/test-requirements.txt
index c05f8be03..b94601a89 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -4,7 +4,7 @@
 
 pbr>=2.0.0,!=2.1.0  # Apache-2.0
 
-openstack-doc-tools>=1.6.0 # Apache-2.0
+openstack-doc-tools>=1.8.0 # Apache-2.0
 doc8 # Apache-2.0
 Pygments