diff --git a/weather-api.cabal b/weather-api.cabal
--- a/weather-api.cabal
+++ b/weather-api.cabal
@@ -1,5 +1,5 @@
 Name:              weather-api
-Version:           0.3.0
+Version:           0.4.0
 Synopsis:          Weather api implemented in haskell
 Description:
         This library implement generic api for retrieving weather
@@ -23,9 +23,9 @@
                   ,HTTP          == 4000.2.*
                   ,utf8-string   == 0.3.7
                   ,aeson         == 0.6.*
-                  ,bytestring    == 0.9.*
+                  ,bytestring    == 0.10.*
                   ,attoparsec    == 0.10.*
-                  ,vector        == 0.10.*
+                  ,vector        >= 0.9
 
 source-repository head
   type:     git