diff --git a/src/botris/_core/ShakTrisLib b/src/botris/_core/ShakTrisLib
index fbbc040..1852e91 160000
--- a/src/botris/_core/ShakTrisLib
+++ b/src/botris/_core/ShakTrisLib
@@ -1 +1 @@
-Subproject commit fbbc040a805609861ff59752b890ded18fa3d9c2
+Subproject commit 1852e91558cf0346f23b2e05c92be98b07ba02f2