diff --git a/WeatherApi/WWOnline.hs b/WeatherApi/WWOnline.hs
--- a/WeatherApi/WWOnline.hs
+++ b/WeatherApi/WWOnline.hs
@@ -64,7 +64,9 @@
       case resp of
         Left err -> return $ Left err
         Right c  -> do
-          let v = fromJust $ maybeResult $ parse json $ pack c
-          return $ case fromJSON v :: Result Weather of
-            Error e   -> Left $ ParseError $ "Can't parse data: " ++ e
-            Success v -> Right v
+          case maybeResult $ parse json $ pack c of
+            Nothing -> return $ Left $ ParseError "Bad response"
+            Just v  ->
+              return $ case fromJSON v :: Result Weather of
+                Error e   -> Left $ ParseError $ "Can't parse data: " ++ e
+                Success v -> Right v
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:           0.4.2
+Version:           0.4.3
 Synopsis:          Weather api implemented in haskell
 Description:
         This library implement generic api for retrieving weather
@@ -19,7 +19,7 @@
   Other-modules:
     WeatherApi.Util
   Build-depends:   base          == 4.*
-                  ,network       == 2.3.*
+                  ,network       == 2.4.*
                   ,HTTP          == 4000.2.*
                   ,utf8-string   == 0.3.7
                   ,aeson         == 0.6.*