diff --git a/src/version.h b/src/version.h
index a17ed41ee..74d47b4fc 100644
--- a/src/version.h
+++ b/src/version.h
@@ -28,15 +28,15 @@
 #define APP_ID        "xmrig"
 #define APP_NAME      "XMRig"
 #define APP_DESC      "XMRig miner"
-#define APP_VERSION   "5.2.1"
+#define APP_VERSION   "5.3.0-dev"
 #define APP_DOMAIN    "xmrig.com"
 #define APP_SITE      "www.xmrig.com"
 #define APP_COPYRIGHT "Copyright (C) 2016-2019 xmrig.com"
 #define APP_KIND      "miner"
 
 #define APP_VER_MAJOR  5
-#define APP_VER_MINOR  2
-#define APP_VER_PATCH  1
+#define APP_VER_MINOR  3
+#define APP_VER_PATCH  0
 
 #ifdef _MSC_VER
 #   if (_MSC_VER >= 1920)