diff --git a/.gitmodules b/.gitmodules
index 19cc7e2..add805f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -12,7 +12,7 @@
 	url = https://github.com/jwang078/gaussian-splatting.git
 [submodule "submodules/pybullet-URDF-models"]
 	path = submodules/pybullet-URDF-models
-	url = https://github.com/c-yiting/pybullet-URDF-models.git
+	url = https://github.com/GPT-RL/pybullet-URDF-models.git
 [submodule "submodules/pybullet-playground-wrapper/pybullet_playground"]
 	path = submodules/pybullet-playground-wrapper/pybullet_playground
 	url = https://github.com/zswang666/pybullet-playground.git