diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -160,6 +160,10 @@
 
 ## 0.8.2.0 -- 2020-10-28
 
-* Eigth version revised B. Fixed issues with some combinations that were not 
+* Eighth version revised B. Fixed issues with some combinations that were not 
 properly handled.
+
+## 0.8.3.0 -- 2020-10-29
+
+* Eighth version revised C. Changed the dependencies boundaries. Some minor code improvements.
 
diff --git a/Melodics/Executable.hs b/Melodics/Executable.hs
--- a/Melodics/Executable.hs
+++ b/Melodics/Executable.hs
@@ -4,8 +4,8 @@
 -- License     :  MIT
 -- Maintainer  :  olexandr543@yahoo.com
 --
--- A program and a library that can be used as a musical instrument synthesizer or for Ukrainian speech synthesis 
--- especially for poets, translators and writers. 
+-- A program and a library that can be used as a musical instrument synthesizer or for Ukrainian speech synthesis
+-- especially for poets, translators and writers.
 --
 
 module Melodics.Executable (
@@ -18,42 +18,41 @@
 where
 
 import Data.Char (isSpace, isControl)
-import Data.Maybe (isJust,fromJust,fromMaybe)
+import Data.Maybe (isJust,fromJust)
 import System.IO
-import System.IO.Unsafe (unsafePerformIO)
 import System.Process (callProcess)
-import System.Directory (removeFile,findExecutable)
+import System.Directory (removeFile)
 import Control.Exception (onException)
 import EndOfExe (showE)
 import Melodics.Ukrainian (appendS16LEFile, convertToProperUkrainian)
 import UkrainianLControl
 
--- | Is used to repeat the cycle of creation of the sound files in the current directory for the @mmsyn6ukr@  executable. 
+-- | Is used to repeat the cycle of creation of the sound files in the current directory for the @mmsyn6ukr@  executable.
 circle :: String -> IO ()
 circle zs = onException (mapM_ (workWithInput zs) [1..]) (do
     putStr "Notice, there was (may be) CmdLineArgument exception. To avoid it, please, specify the command line argument (if needed) in the form \"ABC\""
     putStr " where A is either a letter \'f\', \'o\', \'w\' or a digit and B and C are both digits! The exception (may be) arose from "
-    putStrLn $ "the command line arguments " ++ show zs ++ ". Please, check also whether the SoX was installed with the support for needed codec.") 
+    putStrLn $ "the command line arguments " ++ show zs ++ ". Please, check also whether the SoX was installed with the support for needed codec.")
 
 -- | Interactively creates sound files in the current directory for the Ukrainian text input. Is used internally in the 'circle'
 workWithInput :: String -> Int -> IO ()
-workWithInput zs j = do
+workWithInput zs _ = do
   [nameSF,ys] <- nameAndControl zs [1,2]
   withBinaryFile (nameSF ++ ".raw") AppendMode (appendS16LEFile (convertToProperUkrainian ys))
   putStrLn "The .raw file was created by the program. If there is SoX installed then it will run further. "
-  let ts = showE "sox" 
+  let ts = showE "sox"
   if isJust ts
     then rawToSoundFile zs nameSF (fromJust ts)
     else printInfoF
 
 -- | Is used to retriev the user-defined file name for the record.
 recFileName :: IO String
-recFileName = do 
+recFileName = do
   putStrLn "Please, specify the name of the resulting sound file. Please, do NOT use '}' character and space or control characters!"
   nameOfSoundFile <- getLine
   let nameSF = filter (\x -> not (isSpace x) && not (isControl x) && x /= '}') nameOfSoundFile
   return nameSF
-  
+
 getCtrl :: String -> IO String
 getCtrl zs = do
   xs <- getLine
@@ -62,28 +61,28 @@
 
 recFNAndCtrl :: String -> Int -> IO String
 recFNAndCtrl zs n
-  | odd n = recFileName 
+  | odd n = recFileName
   | otherwise = getCtrl zs
 
 nameAndControl :: String -> [Int] -> IO [String]
 nameAndControl zs = mapM (recFNAndCtrl zs)
 
--- | Converts RAW sound to the sound file of the needed format in the current directory accordingly to the 'genControl' for the first 'String' argument. 
+-- | Converts RAW sound to the sound file of the needed format in the current directory accordingly to the 'genControl' for the first 'String' argument.
 -- Is used internally in the 'workWithInput'.
 rawToSoundFile :: String -> String -> FilePath -> IO ()
-rawToSoundFile zs nameSF executablePath 
-  | null zs = do 
+rawToSoundFile zs nameSF executablePath
+  | null zs = do
      callProcess executablePath ["-r22050","-c1","-L","-esigned-integer","-b16", nameSF ++ ".raw", nameSF ++ ".wav"]
      removeFile $ nameSF ++ ".raw"
   | otherwise = do
      let ws = snd . genControl $ zs
-     callProcess executablePath ["-r22050","-c1","-L","-esigned-integer","-b16", nameSF ++ ".raw", fst ws, nameSF ++ snd ws] 
+     callProcess executablePath ["-r22050","-c1","-L","-esigned-integer","-b16", nameSF ++ ".raw", fst ws, nameSF ++ snd ws]
      removeFile $ nameSF ++ ".raw"
 
 -- | Prints informational message about ending of the possible for the given data program operation on sound files. Is used internally in the 'workWithInput'.
 -- Is used internally in the 'workWithInput'.
 printInfoF :: IO ()
-printInfoF = do 
+printInfoF = do
   putStr "You have a resulting file in a raw PCM format with bitrate 22050 Hz and 1 channel (mono) in the .raw format. "
   putStr "You can further process it by yourself manually, otherwise, please, install FFMpeg or LibAV executables in the directory mentioned in the variable PATH"
   putStrLn " and then run: "
diff --git a/mmsyn6ukr.cabal b/mmsyn6ukr.cabal
--- a/mmsyn6ukr.cabal
+++ b/mmsyn6ukr.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                mmsyn6ukr
-version:             0.8.2.0
+version:             0.8.3.0
 synopsis:            A musical instrument synthesizer or a tool for Ukrainian language listening
 description:         A program can be used as a musical instrument synthesizer or for Ukrainian speech synthesis especially for poets and writers
 homepage:            https://hackage.haskell.org/package/mmsyn6ukr
@@ -18,10 +18,10 @@
 cabal-version:       >=1.10
 
 library
-  exposed-modules:     Paths_mmsyn6ukr, Main, Melodics.Ukrainian, Melodics.Executable, UkrainianLControl, MMSyn6Ukr.Show7s
-  -- other-modules:    
+  exposed-modules:     Paths_mmsyn6ukr, Melodics.Ukrainian, Melodics.Executable, UkrainianLControl, MMSyn6Ukr.Show7s
+  other-modules:       Main
   -- other-extensions:
-  build-depends:       base >=4.7 && <4.15, process >=1.4 && <1.9, mmsyn3 >=0.1.5.0 && <1, directory >= 1 && < 1.5, vector >=0.11 && <0.14, bytestring >=0.10 && <0.13, mmsyn2 >=0.1.8 && <1, mmsyn5 >=0.4.4 && <1
+  build-depends:       base >=4.7 && <4.15, process >=1.4 && <1.9, mmsyn3 >=0.1.5.0 && <1, directory >= 1 && < 1.5, vector >=0.11 && <0.14, bytestring >=0.10 && <0.13, mmsyn2 >=0.3 && <1, mmsyn5 >=0.5 && <1
   -- hs-source-dirs:
   default-language:    Haskell2010
 
@@ -29,6 +29,6 @@
   main-is:             Main.hs
   other-modules:       Melodics.Executable, Melodics.Ukrainian, Paths_mmsyn6ukr, UkrainianLControl, MMSyn6Ukr.Show7s
   -- other-extensions:
-  build-depends:       base >=4.7 && <4.15, process >=1.4 && <1.9, mmsyn3 >=0.1.5.0 && <1, directory >= 1 && < 1.5, vector >=0.11 && <0.14, bytestring >=0.10 && <0.13, mmsyn2 >=0.1.8 && <1, mmsyn5 >=0.4.4 && <1
+  build-depends:       base >=4.7 && <4.15, process >=1.4 && <1.9, mmsyn3 >=0.1.5.0 && <1, directory >= 1 && < 1.5, vector >=0.11 && <0.14, bytestring >=0.10 && <0.13, mmsyn2 >=0.3 && <1, mmsyn5 >=0.5 && <1
   -- hs-source-dirs:
   default-language:    Haskell2010