diff --git a/fast/Data/Reflection.hs b/fast/Data/Reflection.hs
--- a/fast/Data/Reflection.hs
+++ b/fast/Data/Reflection.hs
@@ -40,7 +40,7 @@
 import Data.Proxy
 import Unsafe.Coerce
 
-class Reifies s a | s -> a where 
+class Reifies s a | s -> a where
   reflect :: p s -> a
 
 newtype Magic a w = Magic (forall s. Reifies s a => Proxy s -> w)
diff --git a/reflection.cabal b/reflection.cabal
--- a/reflection.cabal
+++ b/reflection.cabal
@@ -1,5 +1,5 @@
 name:           reflection
-version:        1.1.1
+version:        1.1.2
 license:        BSD3
 license-file:   LICENSE
 author:         Edward A. Kmett, Elliott Hird, Oleg Kiselyov and Chung-chieh Shan
@@ -64,7 +64,7 @@
     base >= 4 && < 5,
     tagged >= 0.2.3 && < 0.3
 
-  default-language: Haskell2010
+  default-language: Haskell98
 
   if impl(ghc) && !flag(slow)
     hs-source-dirs: fast