diff --git a/quickjs.h b/quickjs.h
index 5c7c9e4..188abd3 100644
--- a/quickjs.h
+++ b/quickjs.h
@@ -1010,7 +1010,7 @@ JSValue JS_PromiseResult(JSContext *ctx, JSValue promise);
 #define QJS_VERSION_MAJOR 0
 #define QJS_VERSION_MINOR 1
 #define QJS_VERSION_PATCH 0
-#define QJS_VERSION_SUFFIX ""
+#define QJS_VERSION_SUFFIX "dev"
 
 const char* JS_GetVersion(void);