diff --git a/cursor.cabal b/cursor.cabal
--- a/cursor.cabal
+++ b/cursor.cabal
@@ -2,10 +2,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 02faf660887f273e997cf0722b08edb14f51ed1f1ef1a064ee50ae52994ee175
+-- hash: d3e45c022c743b9993002cab8f947d4f602837160cff153a1836da5acbfa3cd1
 
 name:           cursor
-version:        0.0.0.0
+version:        0.0.0.1
 synopsis:       Purely Functional Cursors
 description:    Purely Functional Cursors for common data structures
 category:       Editor
@@ -54,7 +54,7 @@
     , containers
     , microlens
     , text
-    , validity
+    , validity >=0.8.0.0
     , validity-containers
     , validity-text
   default-language: Haskell2010