diff --git a/cryptocipher.cabal b/cryptocipher.cabal
--- a/cryptocipher.cabal
+++ b/cryptocipher.cabal
@@ -1,5 +1,5 @@
 Name:                cryptocipher
-Version:             0.2.7
+Version:             0.2.8
 Description:         Symmetrical Block, Stream and PubKey Ciphers
 License:             BSD3
 License-file:        LICENSE
@@ -23,7 +23,7 @@
 Library
   Build-Depends:     base >= 4 && < 5
                    , bytestring
-                   , vector
+                   , vector >= 0.7
                    , primitive
                    , crypto-api >= 0.5
                    , tagged
