diff --git a/GITHUB_SHA.h b/GITHUB_SHA.h
index 867619e..71069ca 100644
--- a/GITHUB_SHA.h
+++ b/GITHUB_SHA.h
@@ -1 +1 @@
-#define GITHUB_SHA "devel-202311110712Z"
+#define GITHUB_SHA "devel-202311132306Z"
diff --git a/version.h b/version.h
index 4258cf4..5640feb 100644
--- a/version.h
+++ b/version.h
@@ -3,7 +3,8 @@
 
 #include "StringFormatter.h"
 
-#define VERSION "5.2.0"
+#define VERSION "5.2.1"
+// 5.2.1  - Trackmanager rework for simpler structure
 // 5.2.0  - ESP32: Autoreverse and booster mode support
 // 5.1.21 - EXRAIL invoke multiple ON handlers for same event
 // 5.1.20 - EXRAIL Tidy and ROUTE_STATE, ROUTE_CAPTION