diff --git a/Kconfig.rttpkg b/Kconfig.rttpkg
index a48d6795..1c069198 100644
--- a/Kconfig.rttpkg
+++ b/Kconfig.rttpkg
@@ -474,7 +474,7 @@ if PKG_USING_CHERRYUSB
 
         config PKG_USING_CHERRYUSB_LATEST_VERSION
             bool "latest"
-        config PKG_USING_CHERRYUSB_V010502
+        config PKG_USING_CHERRYUSB_V010503
             bool "v1.5.3"
         config PKG_USING_CHERRYUSB_V010502
             bool "v1.5.2"
diff --git a/VERSION b/VERSION
index 4c224bf3..57069446 100644
--- a/VERSION
+++ b/VERSION
@@ -1,5 +1,5 @@
 VERSION_MAJOR = 1
 VERSION_MINOR = 5
 PATCHLEVEL = 3
-VERSION_TWEAK = 0
+VERSION_TWEAK = 99
 EXTRAVERSION = 0
diff --git a/common/usb_version.h b/common/usb_version.h
index bbf39569..b7ea7fd3 100644
--- a/common/usb_version.h
+++ b/common/usb_version.h
@@ -16,6 +16,6 @@
 #endif
 
 #define CHERRYUSB_VERSION     0x010503
-#define CHERRYUSB_VERSION_STR "v1.5.3"
+#define CHERRYUSB_VERSION_STR "v1.5.3.99"
 
 #endif
\ No newline at end of file