diff --git a/doc/_themes/sphinx-theme-okfn b/doc/_themes/sphinx-theme-okfn
index 320555990b6..4628f26abf4 160000
--- a/doc/_themes/sphinx-theme-okfn
+++ b/doc/_themes/sphinx-theme-okfn
@@ -1 +1 @@
-Subproject commit 320555990b639c99ac3bcc79024140c9588e2bdf
+Subproject commit 4628f26abf401fdb63ec099384bff44a27dcda4c