diff --git a/ReleaseNotes.txt b/ReleaseNotes.txt
index 8e6e826..3bdfb36 100644
--- a/ReleaseNotes.txt
+++ b/ReleaseNotes.txt
@@ -19,7 +19,7 @@ The 3rd digit will be increased, when there is a pure bugfix.
 See v2.0.0 vs 2.0.1
 
 v2.9.1
-- Compatible with tc_mca_std_lib v2.9.0
+- Compatible with tc_mca_std_lib v2.9.0 and v2.9.1
 - Improvements:
   - Change the ENUMs in the GVL_APP and in the Axis_template from just the simple integer
     value, to the explicit variable name to make the code easier to understand.
diff --git a/solution/_Config/PLC/tc_project_app.xti b/solution/_Config/PLC/tc_project_app.xti
index 1770dc8..fa5fb62 100644
--- a/solution/_Config/PLC/tc_project_app.xti
+++ b/solution/_Config/PLC/tc_project_app.xti
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <TcSmItem xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://www.beckhoff.com/schemas/2012/07/TcSmProject" TcSmVersion="1.0" TcVersion="3.1.4024.62" ClassName="CNestedPlcProjDef">
 	<Project GUID="{FB261665-FD20-4BF2-97F8-2854C82B752D}" Name="tc_project_app" PrjFilePath="..\..\tc_project_app\tc_project_app.plcproj" TmcFilePath="..\..\tc_project_app\tc_project_app.tmc" ReloadTmc="true" AmsPort="852" FileArchiveSettings="#x000e" ClearInvalidPersist="true" SymbolicMapping="true">
-		<Instance Id="#x08502040" TcSmClass="TComPlcObjDef" KeepUnrestoredLinks="2" TmcPath="tc_project_app\tc_project_app.tmc" TmcHash="{C0FA321F-DA98-DC58-E9A2-66066B56237F}">
+		<Instance Id="#x08502040" TcSmClass="TComPlcObjDef" KeepUnrestoredLinks="2" TmcPath="tc_project_app\tc_project_app.tmc" TmcHash="{6CD45C2B-D1C4-BDD8-9BD4-FD476A870DC8}">
 			<Name>tc_project_app Instance</Name>
 			<CLSID ClassFactory="TcPlc30">{08500001-0000-0000-F000-000000000064}</CLSID>
 			<Vars VarGrpType="1">
diff --git a/solution/tc_project_app/tc_mca_std_lib b/solution/tc_project_app/tc_mca_std_lib
index 29613e0..163ea31 160000
--- a/solution/tc_project_app/tc_mca_std_lib
+++ b/solution/tc_project_app/tc_mca_std_lib
@@ -1 +1 @@
-Subproject commit 29613e0b414152a75f9cd987d752474ce4b82afc
+Subproject commit 163ea31c6915bc9a5134194ddf5a7259caccd7d4