diff --git a/solution/tc_project_app/tc_mca_std_lib b/solution/tc_project_app/tc_mca_std_lib
index acf1777..1f21fee 160000
--- a/solution/tc_project_app/tc_mca_std_lib
+++ b/solution/tc_project_app/tc_mca_std_lib
@@ -1 +1 @@
-Subproject commit acf1777ed6bccf1062e412dffec0016972071640
+Subproject commit 1f21feeafd2b9a75694e1bf0430e098ba8588f3d