diff --git a/newtype-deriving.cabal b/newtype-deriving.cabal
--- a/newtype-deriving.cabal
+++ b/newtype-deriving.cabal
@@ -1,7 +1,7 @@
 name:
   newtype-deriving
 version:
-  0.1.3
+  0.1.4
 synopsis:
   Instance derivers for newtype wrappers
 description:
@@ -62,5 +62,5 @@
     monad-control >= 1.0 && < 1.1,
     transformers-base == 0.4.*,
     transformers >= 0.3 && < 0.5,
-    base-prelude >= 0.1.3 && < 0.2,
-    base >= 4.7 && < 4.9
+    base-prelude >= 0.1.3 && < 2,
+    base >= 4.7 && < 5