diff --git a/ext/json/php_json.h b/ext/json/php_json.h
index 50ef76107b049..99afe8dd2d767 100644
--- a/ext/json/php_json.h
+++ b/ext/json/php_json.h
@@ -20,9 +20,11 @@
 #ifndef PHP_JSON_H
 #define PHP_JSON_H
 
-#define PHP_JSON_VERSION "1.7.0"
+#include "php_version.h"
 #include "zend_smart_str_public.h"
 
+#define PHP_JSON_VERSION PHP_VERSION
+
 extern zend_module_entry json_module_entry;
 #define phpext_json_ptr &json_module_entry