diff --git a/brick/model.sdf b/brick/model.sdf
index 5a5cdfc..6951d06 100755
--- a/brick/model.sdf
+++ b/brick/model.sdf
@@ -28,8 +28,8 @@
               <mu>10000</mu>
               <mu2>10000</mu2>
               <fdir1>0 0 1</fdir1>
-              <slip1>0.4</slip1>
-              <slip2>0.4</slip2>
+              <slip1>0.7</slip1>
+              <slip2>0.7</slip2>
             </ode>
           </friction>
           <contact>