diff --git a/hsx.cabal b/hsx.cabal
--- a/hsx.cabal
+++ b/hsx.cabal
@@ -1,5 +1,5 @@
 Name:                   hsx
-Version:                0.10.4
+Version:                0.10.5
 License:                BSD3
 License-File:           LICENSE
 Author:                 Niklas Broberg, Joel Bjornson
@@ -41,7 +41,7 @@
 Flag base4
 
 Library
-  Build-depends:	mtl, haskell-src-exts >= 1.13, utf8-string
+  Build-depends:	mtl, haskell-src-exts >= 1.13 && < 1.14, utf8-string
   if flag(base4)
     Build-depends:      base >= 4 && < 5
     cpp-options:        -DBASE4
