diff --git a/modular.cabal b/modular.cabal
--- a/modular.cabal
+++ b/modular.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: b58e38fc3d76fb67f486cd0bbc8c964bd610d17b57c810befa7622618558b2c8
+-- hash: ba1b22fbd6683c8e32ca7b66fc2cdf621d057d8cc59ac1d72ba2b83212517b38
 
 name:           modular
-version:        0.1.0.2
+version:        0.1.0.3
 synopsis:       Type-safe modular arithmetic
 description:    Please the documentation on GitHub at <https://github.com/pgujjula/modular>
 category:       Math
@@ -34,6 +34,7 @@
       Paths_modular
   hs-source-dirs:
       src
+  default-extensions: ExplicitNamespaces
   ghc-options: -Wall
   build-depends:
       base >=4.7 && <5