diff --git a/doc/requirements.txt b/doc/requirements.txt
index cb3e5073..c0226943 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -2,4 +2,4 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 sphinx!=1.6.6,>=1.6.2 # BSD
-openstackdocstheme>=1.17.0 # Apache-2.0
+openstackdocstheme>=1.18.1 # Apache-2.0