diff --git a/python/pyproject.toml b/python/pyproject.toml
index f9cb8a3..f382ab5 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "gymize"
-version = "0.0.2"
+version = "0.0.3"
 authors = [
     { name="timcsy", email="timocsy@yahoo.com.tw" },
 ]
diff --git a/unity/package.json b/unity/package.json
index 9716bf8..e3ede92 100644
--- a/unity/package.json
+++ b/unity/package.json
@@ -1,6 +1,6 @@
 {
   "name": "com.paia.gymize",
-  "version": "0.0.1",
+  "version": "0.0.3",
   "displayName": "Gymize",
   "description": "Unity and Python Reinforcement and Imitation Learning with Gymnasium and PettingZoo API.",
   "unity": "2019.1",