diff --git a/profunctor-extras.cabal b/profunctor-extras.cabal
--- a/profunctor-extras.cabal
+++ b/profunctor-extras.cabal
@@ -1,6 +1,6 @@
 name:             profunctor-extras
 category:         Control, Categories
-version:          0.3.1.3
+version:          0.3.1.4
 license:          BSD3
 cabal-version:    >= 1.10
 license-file:     LICENSE
@@ -18,11 +18,11 @@
   location: git://github.com/ekmett/profunctor-extras.git
 
 library
-  default-language: Haskell2010
-  other-extensions: GADTs
-                    FlexibleInstances
-                    UndecidableInstances
-                    MultiParamTypeClasses
+  default-language:   Haskell98
+  other-extensions:   GADTs
+                      FlexibleInstances
+                      UndecidableInstances
+                      MultiParamTypeClasses
   build-depends: 
     base >= 4 && < 5,
     semigroupoids >= 1.2.2 && <= 1.3,