diff --git a/imagesize-conduit.cabal b/imagesize-conduit.cabal
--- a/imagesize-conduit.cabal
+++ b/imagesize-conduit.cabal
@@ -1,5 +1,5 @@
 Name:                imagesize-conduit
-Version:             0.5.0.1
+Version:             0.5.0.2
 Synopsis:            Determine the size of some common image formats.
 Description:         Currently supports PNG, GIF, and JPEG. This package provides a Sink that will consume the minimum number of bytes necessary to determine the image dimensions.
 License:             BSD3
@@ -29,7 +29,7 @@
     build-depends:   conduit
                    , imagesize-conduit
                    , base
-                   , hspec == 1.3.*
+                   , hspec >= 1.3
                    , bytestring
     ghc-options:     -Wall