diff --git a/theme4/XS101/CHAP-Training-Examples-Materials b/theme4/XS101/CHAP-Training-Examples-Materials
index 587abe3..4c551d2 160000
--- a/theme4/XS101/CHAP-Training-Examples-Materials
+++ b/theme4/XS101/CHAP-Training-Examples-Materials
@@ -1 +1 @@
-Subproject commit 587abe36134d35bf226b1534a4fe591f29413a9e
+Subproject commit 4c551d276b14a6f298c10967bef496f006e52131