diff --git a/lib/brain_colours b/lib/brain_colours
index 68f9a629..644749e1 160000
--- a/lib/brain_colours
+++ b/lib/brain_colours
@@ -1 +1 @@
-Subproject commit 68f9a6297ae77365cb550731fe61acb352fa14b7
+Subproject commit 644749e14920b72155c365d062baf214060d6fcc