diff --git a/HipmunkPlayground.cabal b/HipmunkPlayground.cabal
--- a/HipmunkPlayground.cabal
+++ b/HipmunkPlayground.cabal
@@ -3,7 +3,7 @@
 Tested-With:   GHC
 Category:      Physics, Game
 Name:          HipmunkPlayground
-Version:       5.2.1
+Version:       5.2.1.1
 Stability:     provisional
 License:       OtherLicense
 License-File:  LICENSE
@@ -61,7 +61,7 @@
 
 Executable HipmunkPlayground
   if flag(small_base)
-    Build-Depends: base >= 3 && < 5, containers >= 0.1 && < 0.5
+    Build-Depends: base >= 3 && < 5, containers >= 0.1 && < 0.6
   else
     Build-Depends: base >= 2 && < 3
   Build-Depends: Hipmunk >= 5.2 && < 5.3, transformers >= 0.2 && < 0.4,