diff --git a/bound.cabal b/bound.cabal
--- a/bound.cabal
+++ b/bound.cabal
@@ -1,6 +1,6 @@
 name:          bound
 category:      Language, Compilers/Interpreters
-version:       0.5.0.1
+version:       0.5.0.2
 license:       BSD3
 cabal-version: >= 1.9.2
 license-file:  LICENSE
@@ -103,4 +103,4 @@
     directory >= 1.0 && < 1.3,
     doctest   >= 0.9 && < 0.10,
     filepath,
-    vector    == 0.9.*
+    vector    >= 0.9 && < 0.11