diff --git a/gymnasium_robotics/__init__.py b/gymnasium_robotics/__init__.py
index 2def092c..8be84c49 100644
--- a/gymnasium_robotics/__init__.py
+++ b/gymnasium_robotics/__init__.py
@@ -5,10 +5,7 @@
 from gymnasium_robotics.envs.maze import maps
 from gymnasium_robotics.envs.multiagent_mujoco import mamujoco_v1
 
-__version__ = "1.2.4"
-
-__version__ = "1.2.4"
-
+__version__ = "1.3.0a1"
 
 def register_robotics_envs():
     """Register all environment ID's to Gymnasium."""