diff --git a/library.json b/library.json
index dbe19d4..f8f4000 100644
--- a/library.json
+++ b/library.json
@@ -13,7 +13,7 @@
     "dependencies": {
         "m5stack/M5UnitUnified": ">=0.4.4"
     },
-    "version": "0.3.0",
+    "version": "0.3.1",
     "frameworks": [
         "arduino"
     ],
diff --git a/library.properties b/library.properties
index 681cf2d..2845577 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=M5Unit-HUB
-version=0.3.0
+version=0.3.1
 author=M5Stack
 maintainer=M5Stack
 sentence=Library for M5Stack UNIT HUB using M5UnitUnified