diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index d78c7ad..2109b15 160000
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit d78c7ad1413811e67a4fa0a2bdf8a53a860a4252
+Subproject commit 2109b159bb28fc8eff6613b227fe7e5d5d8ae915