diff --git a/bytestring-show.cabal b/bytestring-show.cabal
--- a/bytestring-show.cabal
+++ b/bytestring-show.cabal
@@ -1,5 +1,5 @@
 name:              bytestring-show
-version:           0.3.5.3
+version:           0.3.5.4
 license:           BSD3
 license-file:      LICENSE
 author:            Dan Doel
@@ -45,7 +45,7 @@
 
     if impl(ghc >= 6.11) && !flag(integer-simple)
         cpp-options: -DINTEGER_GMP
-        build-depends: integer-gmp >= 0.2 && < 0.5
+        build-depends: integer-gmp >= 0.2
 
     if impl(ghc >= 6.9) && impl(ghc < 6.11) && !flag(integer-simple)
         cpp-options: -DINTEGER_GMP