diff --git a/supplemented.cabal b/supplemented.cabal
--- a/supplemented.cabal
+++ b/supplemented.cabal
@@ -1,7 +1,7 @@
 name:
   supplemented
 version:
-  0.5.0.3
+  0.5.1
 synopsis:
   Early termination for monads
 description:
@@ -48,7 +48,8 @@
   build-depends:
     -- 
     transformers >= 0.4 && < 0.6,
-    base-prelude < 2
+    base-prelude < 2,
+    base < 5
 
 
 test-suite test
@@ -74,4 +75,4 @@
     quickcheck-instances >= 0.3.11 && < 0.4,
     QuickCheck >= 2.8.1 && < 2.9,
     --
-    rebase >= 0.4 && < 0.5
+    rebase >= 0.4 && < 2