diff --git a/data-pprint.cabal b/data-pprint.cabal
--- a/data-pprint.cabal
+++ b/data-pprint.cabal
@@ -1,5 +1,5 @@
 name:                data-pprint
-version:             0.2.1.3
+version:             0.2.1.4
 category:            Testing, Text
 synopsis:            Prettyprint and compare Data values
 description:
@@ -64,9 +64,9 @@
     System.IO.Parallel
   other-modules:
   build-depends:
-    base >= 4.0 && < 4.6,
+    base >= 4.0 && < 4.7,
     pretty >= 1.0 && < 1.2,
-    mtl >= 2.0 && < 2.1,
+    mtl >= 2.0 && < 2.2,
     deepseq >= 1.1 && < 1.4,
     time >= 1.2 && < 1.5,
     parallel >= 3.1 && < 3.3