diff --git a/hix.cabal b/hix.cabal
--- a/hix.cabal
+++ b/hix.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           hix
-version:        0.6.7
+version:        0.6.8
 synopsis:       Haskell/Nix development build tools
 description:    See https://hackage.haskell.org/package/hix/docs/Hix.html
 category:       Build
@@ -90,7 +90,7 @@
     , aeson >=2.0 && <2.2
     , base ==4.*
     , casing >=0.1.4 && <0.2
-    , exon >=1.4 && <1.6
+    , exon >=1.4 && <1.7
     , extra ==1.7.*
     , filepattern ==0.1.*
     , generic-lens ==2.2.*
@@ -210,7 +210,7 @@
   build-depends:
       Cabal
     , base ==4.*
-    , exon >=1.4 && <1.6
+    , exon >=1.4 && <1.7
     , hedgehog >=1.1 && <1.3
     , hix
     , incipit-base ==0.5.*