diff --git a/GITHUB_SHA.h b/GITHUB_SHA.h
index a9ab348..ab13219 100644
--- a/GITHUB_SHA.h
+++ b/GITHUB_SHA.h
@@ -1 +1 @@
-#define GITHUB_SHA "devel-202404061747Z"
+#define GITHUB_SHA "devel-202404211704Z"
diff --git a/version.h b/version.h
index 0b8c1a6..19b046c 100644
--- a/version.h
+++ b/version.h
@@ -3,7 +3,8 @@
 
 #include "StringFormatter.h"
 
-#define VERSION "5.2.50"
+#define VERSION "5.2.51"
+// 5.2.51 - Bugfix for SIGNAL: Distinguish between sighandle and sigid
 // 5.2.50 - EXRAIL ONBUTTON/ONSENSOR observe LATCH
 // 5.2.49 - EXRAIL additions:
 //          ONBUTTON, ONSENSOR