diff --git a/GITHUB_SHA.h b/GITHUB_SHA.h
index 759a0cc..24f96c3 100644
--- a/GITHUB_SHA.h
+++ b/GITHUB_SHA.h
@@ -1 +1 @@
-#define GITHUB_SHA "devel-202401101409Z"
+#define GITHUB_SHA "devel-202401180721Z"
diff --git a/version.h b/version.h
index 8c8ef68..3512451 100644
--- a/version.h
+++ b/version.h
@@ -3,7 +3,8 @@
 
 #include "StringFormatter.h"
 
-#define VERSION "5.2.26"
+#define VERSION "5.2.27"
+// 5.2.27 - Bugfix: IOExpander memory allocation
 // 5.2.26 - Silently ignore overridden HAL defaults
 //        - include HAL_IGNORE_DEFAULTS macro in EXRAIL 
 // 5.2.25 - Fix bug causing <X> after working <D commands