diff --git a/test-requirements.txt b/test-requirements.txt
index b5e0ce62..94004edd 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -13,6 +13,6 @@ oslotest>=3.2.0 # Apache-2.0
 testrepository>=0.0.18 # Apache-2.0/BSD
 testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=2.2.0 # MIT
-openstackdocstheme>=1.17.0 # Apache-2.0
+openstackdocstheme>=1.18.1 # Apache-2.0
 # releasenotes
 reno>=2.5.0 # Apache-2.0