diff --git a/test-requirements.txt b/test-requirements.txt
index 6828d81cd2..e837b2098b 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -10,7 +10,7 @@ beautifulsoup4 # MIT
 Jinja2>=2.8 # BSD License (3 clause)
 openstack-doc-tools>=1.6.0 # Apache-2.0
 sphinx>=1.6.2 # BSD
-openstackdocstheme>=1.16.0 # Apache-2.0
+openstackdocstheme>=1.18.1 # Apache-2.0
 doc8 # Apache-2.0
 requests>=2.14.2  # Apache-2.0
 requestsexceptions>=1.2.0 # Apache-2.0