diff --git a/easylogger/inc/elog.h b/easylogger/inc/elog.h
index df9e5e0..692285c 100644
--- a/easylogger/inc/elog.h
+++ b/easylogger/inc/elog.h
@@ -54,7 +54,7 @@ extern "C" {
 #define ELOG_LVL_TOTAL_NUM                   6
 
 /* EasyLogger software version number */
-#define ELOG_SW_VERSION                      "2.2.0"
+#define ELOG_SW_VERSION                      "2.2.99"
 
 /* EasyLogger assert for developer. */
 #ifdef ELOG_ASSERT_ENABLE