diff --git a/gym_ignition_models/ground_plane/ground_plane.sdf b/gym_ignition_models/ground_plane/ground_plane.sdf
index c02c8a7..847995d 100644
--- a/gym_ignition_models/ground_plane/ground_plane.sdf
+++ b/gym_ignition_models/ground_plane/ground_plane.sdf
@@ -14,6 +14,9 @@
                             <mu>100</mu>
                         </ode>
                     </friction>
+                    <bounce>
+                        <restitution_coefficient>1</restitution_coefficient>
+                    </bounce>
                 </surface>
             </collision>
             <visual name="visual">