diff --git a/knowledge b/knowledge
index 74ed8185e..55ec4081d 160000
--- a/knowledge
+++ b/knowledge
@@ -1 +1 @@
-Subproject commit 74ed8185ef166f6d51b1d419b9065c0d9541aea5
+Subproject commit 55ec4081d023e78ec0f2b3ba234084cedbe63c50