diff --git a/knowledge b/knowledge
index b585c91bd..d68990cfe 160000
--- a/knowledge
+++ b/knowledge
@@ -1 +1 @@
-Subproject commit b585c91bd23c43f4308c2c7b66a8b48e9263d2ac
+Subproject commit d68990cfe621b07cb9ea1c7f73d3077038c40749