diff --git a/knowledge b/knowledge
index 0d1c1b7c4..b87ace3cf 160000
--- a/knowledge
+++ b/knowledge
@@ -1 +1 @@
-Subproject commit 0d1c1b7c4a08a732fecf529202f721478b27e89e
+Subproject commit b87ace3cf39c49ad5fa9e7441124d3a3982972b2