diff --git a/jerry-core/include/jerryscript-core.h b/jerry-core/include/jerryscript-core.h
index 49bd3deb9..16b4b5c6b 100644
--- a/jerry-core/include/jerryscript-core.h
+++ b/jerry-core/include/jerryscript-core.h
@@ -34,7 +34,7 @@ extern "C"
 /**
  * Major version of JerryScript API.
  */
-#define JERRY_API_MAJOR_VERSION 1
+#define JERRY_API_MAJOR_VERSION 2
 
 /**
  * Minor version of JerryScript API.