diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSApiTemplate.cs b/OpenSim/Region/Physics/BulletSPlugin/BSApiTemplate.cs
index 2828cab23d..f25b447a2b 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSApiTemplate.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSApiTemplate.cs
@@ -130,6 +130,7 @@ public struct CollisionDesc
     public uint bID;
     public Vector3 point;
     public Vector3 normal;
+    public float penetration;
 }
 [StructLayout(LayoutKind.Sequential)]
 public struct EntityProperties
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs b/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
index 34fd2a0531..35dba9bb0e 100644
--- a/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
@@ -557,8 +557,9 @@ public sealed class BSScene : PhysicsScene, IPhysicsParameters
                 uint cB = m_collisionArray[ii].bID;
                 Vector3 point = m_collisionArray[ii].point;
                 Vector3 normal = m_collisionArray[ii].normal;
-                SendCollision(cA, cB, point, normal, 0.01f);
-                SendCollision(cB, cA, point, -normal, 0.01f);
+                float penetration = m_collisionArray[ii].penetration;
+                SendCollision(cA, cB, point, normal, penetration);
+                SendCollision(cB, cA, point, -normal, penetration);
             }
         }
 
diff --git a/bin/lib32/BulletSim.dll b/bin/lib32/BulletSim.dll
index 014eca4750..b46837f600 100755
Binary files a/bin/lib32/BulletSim.dll and b/bin/lib32/BulletSim.dll differ
diff --git a/bin/lib32/libBulletSim.so b/bin/lib32/libBulletSim.so
index 5e4d8ccb41..a2e6f3c77f 100755
Binary files a/bin/lib32/libBulletSim.so and b/bin/lib32/libBulletSim.so differ
diff --git a/bin/lib64/BulletSim.dll b/bin/lib64/BulletSim.dll
index d00549e916..0a1faf3e8b 100755
Binary files a/bin/lib64/BulletSim.dll and b/bin/lib64/BulletSim.dll differ
diff --git a/bin/lib64/libBulletSim.so b/bin/lib64/libBulletSim.so
index b94e264da4..36674f0070 100755
Binary files a/bin/lib64/libBulletSim.so and b/bin/lib64/libBulletSim.so differ