diff --git a/gjk2d.cabal b/gjk2d.cabal
--- a/gjk2d.cabal
+++ b/gjk2d.cabal
@@ -1,5 +1,5 @@
 name:                gjk2d
-version:             0.1.0.1
+version:             0.1.0.2
 -- synopsis:
 description:         Yet another 2D GJK collision dection algorithm with Linear
 homepage:            https://github.com/suzumiyasmith/gjk2d#readme
diff --git a/src/GJK.hs b/src/GJK.hs
--- a/src/GJK.hs
+++ b/src/GJK.hs
@@ -1,4 +1,9 @@
-module GJK where
+{-# LANGUAGE Trustworthy #-}
+module GJK
+  ( Convex (..)
+  , convexIntersect
+  )
+where
 
 import Linear