diff --git a/src/Text/XML/Generator.hs b/src/Text/XML/Generator.hs
--- a/src/Text/XML/Generator.hs
+++ b/src/Text/XML/Generator.hs
@@ -1,5 +1,5 @@
 {-# LANGUAGE FlexibleContexts, TypeSynonymInstances, FlexibleInstances, TypeFamilies, MultiParamTypeClasses, BangPatterns,
-             UndecidableInstances, OverlappingInstances #-}
+             UndecidableInstances, OverlappingInstances, CPP #-}
 -- | This module provides combinators for generating XML documents.
 --
 -- As an example, suppose you want to generate the following XML document:
@@ -69,6 +69,21 @@
 import qualified Data.Text as T
 import qualified Data.Text.Lazy as TL
 
+#ifdef MIN_VERSION_base
+
+#if MIN_VERSION_base(4,5,0)
+#define BASE_AT_LEAST_4_5_0_0
+#endif
+
+#else
+
+-- Fallback for ghci
+#if __GLASGOW_HASKELL__ >= 704
+#define BASE_AT_LEAST_4_5_0_0
+#endif
+
+#endif
+
 --
 -- Basic definitions
 --
@@ -456,14 +471,17 @@
 -- Operators
 --
 
+-- Note: (<>) is defined in Data.Monoid starting with base 4.5.0.0
+#ifndef BASE_AT_LEAST_4_5_0_0
 infixl 6 <>
 -- | Shortcut for the 'mappend' functions of monoids. Used to concatenate elements, attributes
 --   and text nodes.
 (<>) :: Monoid t => t -> t -> t
 (<>) = mappend
+#endif
 
 infixl 5 <#>
--- | Shortcut for coonstructing pairs. Used in combination with 'xelem' for separating child-attributes
+-- | Shortcut for constructing pairs. Used in combination with 'xelem' for separating child-attributes
 --   from child-elements.
 (<#>) :: a -> b -> (a, b)
 (<#>) x y = (x, y)
diff --git a/xmlgen.cabal b/xmlgen.cabal
--- a/xmlgen.cabal
+++ b/xmlgen.cabal
@@ -1,5 +1,5 @@
 Name:                xmlgen
-Version:             0.4.0.2
+Version:             0.4.0.3
 Synopsis:            Fast XML generation library
 Description:         Library for high-performance XML generation.
 License:             BSD3
@@ -9,6 +9,7 @@
 Category:            Text, XML
 Build-type:          Simple
 Cabal-version:       >=1.6
+Tested-With:        GHC==7.0.4, GHC==7.2.1, GHC==7.4.1, GHC==7.4.2, GHC==7.6.1
 
 Source-Repository head
   type:     git
@@ -17,9 +18,9 @@
 Library
   Exposed-modules:   Text.XML.Generator
   Hs-Source-Dirs:    src
-  Build-Depends:     base >= 4.2 && < 4.4, blaze-builder == 0.3.*,
-                     bytestring == 0.9.*, containers >= 0.3 && < 0.5,
-                     monads-tf == 0.1.*, text >= 0.10 && < 0.12
+  Build-Depends:     base >= 4.2 && < 4.7, blaze-builder == 0.3.*,
+                     bytestring >= 0.9 && < 0.11, containers >= 0.3 && < 0.6,
+                     mtl >= 2.0 && < 2.2, text >= 0.10 && < 0.12
   Ghc-Prof-Options: -auto-all -caf-all
 
 Flag tests