diff --git a/pxt.json b/pxt.json
index c8b5734..66f56ac 100644
--- a/pxt.json
+++ b/pxt.json
@@ -1,6 +1,6 @@
 {
     "name": "maqueen",
-    "version": "1.7.3",
+    "version": "1.7.4",
     "description": "Affordable mini robot designed by DFRobot",
     "license": "MIT",
     "dependencies": {