diff --git a/cJSON.h b/cJSON.h
index 63b50f7..6537062 100644
--- a/cJSON.h
+++ b/cJSON.h
@@ -28,6 +28,10 @@ extern "C"
 {
 #endif
 
+/* project version */
+#define CJSON_VERSION_MAJOR 1
+#define CJSON_VERSION_MINOR 2
+#define CJSON_VERSION_PATCH 0
 #include <stddef.h>
 
 /* cJSON Types: */