diff --git a/aeson-pretty.cabal b/aeson-pretty.cabal
--- a/aeson-pretty.cabal
+++ b/aeson-pretty.cabal
@@ -1,5 +1,5 @@
 name:           aeson-pretty
-version:        0.6.2
+version:        0.6.3
 license:        BSD3
 license-file:   LICENSE
 category:       Text, Web, JSON, Pretty Printer
@@ -48,7 +48,7 @@
             bytestring >= 0.9 && < 0.11,
             cmdargs >= 0.7,
             containers,
-            vector == 0.9.*,
+            vector >= 0.9 && < 0.11,
             text == 0.11.*,
             unordered-containers >= 0.1.3.0
 
@@ -65,7 +65,7 @@
         base == 4.*,
         bytestring >= 0.9 && < 0.11,
         containers,
-        vector == 0.9.*,
+        vector >= 0.9 && < 0.11,
         text == 0.11.*,
         unordered-containers >= 0.1.3.0