diff --git a/src/Data/Void.hs b/src/Data/Void.hs
--- a/src/Data/Void.hs
+++ b/src/Data/Void.hs
@@ -1,4 +1,7 @@
 {-# LANGUAGE CPP #-}
+#if defined(__GLASGOW_HASKELL__) && __GLASGOW_HASKELL__ >= 702
+{-# LANGUAGE Trustworthy #-}
+#endif
 
 #ifdef LANGUAGE_DeriveDataTypeable
 {-# LANGUAGE DeriveDataTypeable #-}
diff --git a/void.cabal b/void.cabal
--- a/void.cabal
+++ b/void.cabal
@@ -1,6 +1,6 @@
 name:          void
 category:      Data Structures
-version:       0.6
+version:       0.6.1
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE