diff --git a/GITHUB_SHA.h b/GITHUB_SHA.h
index 1ccc6e5..c09f13c 100644
--- a/GITHUB_SHA.h
+++ b/GITHUB_SHA.h
@@ -1 +1 @@
-#define GITHUB_SHA "devel-202312310824Z"
+#define GITHUB_SHA "devel-202401012116Z"
diff --git a/version.h b/version.h
index bc79b3e..80711eb 100644
--- a/version.h
+++ b/version.h
@@ -3,7 +3,8 @@
 
 #include "StringFormatter.h"
 
-#define VERSION "5.2.17"
+#define VERSION "5.2.XX"
+// 5.2.XX - Variable frequency for DC mode
 // 5.2.17 - ESP32 simplify network logic
 // 5.2.16 - Bugfix to allow for devices using the EX-IOExpander protocol to have no analogue or no digital pins
 // 5.2.15 - move call to CommandDistributor::broadcastPower() into the TrackManager::setTrackPower(*) functions