.gems in cuba-4.0.0 vs .gems in cuba-4.0.1

@@ -1,5 +1,5 @@
 cutest -v 1.2.3
-tilt -v 2.0.10
-rack -v 3.0.2
+tilt -v 2.1.0
+rack -v 3.0.4.1
 rack-test -v 2.0.2
-rack-session -v 0.3.0
+rack-session -v 2.0.0