diff --git a/src/mono/mono/component/debugger-protocol.h b/src/mono/mono/component/debugger-protocol.h
index 2379f5361ee6be..5948cef59c2c1a 100644
--- a/src/mono/mono/component/debugger-protocol.h
+++ b/src/mono/mono/component/debugger-protocol.h
@@ -11,7 +11,7 @@
  */
 
 #define MAJOR_VERSION 2
-#define MINOR_VERSION 65
+#define MINOR_VERSION 66
 
 typedef enum {
 	MDBGPROT_CMD_COMPOSITE = 100