diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -32,4 +32,10 @@
 * Second version revised B. Simplified the main function using the simlified version of
 the ReplaceP mudule in the mmsyn7ukr package.
 
+## 0.2.3.0 -- 2020-01-13
+
+* Second version revised C. Fixed an issue with the wrong dependency mmsyn7ukr>=0.6.2.1.
+
+
+
 
diff --git a/mmsyn7l.cabal b/mmsyn7l.cabal
--- a/mmsyn7l.cabal
+++ b/mmsyn7l.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                mmsyn7l
-version:             0.2.2.0
+version:             0.2.3.0
 synopsis:            Modifies the amplitude of the sound representations for the Ukrainian language created by mmsyn7ukr package.
 description:         A program and a library to modify the amplitude of the sound representations for the Ukrainian language created by mmsyn7ukr package or somehow otherwise.
 homepage:            https://hackage.haskell.org/package/mmsyn7l
@@ -20,7 +20,7 @@
   exposed-modules:     Main, MMSyn7l
   -- other-modules:
   -- other-extensions:
-  build-depends:       base >=4.7 && <4.14, directory >=1 && <1.5, mmsyn7ukr >=0.6.2.1 && <1, vector >=0.11 && <0.14, mmsyn2 >=0.1.7 && <1
+  build-depends:       base >=4.7 && <4.14, directory >=1 && <1.5, mmsyn7ukr >=0.6.3 && <1, vector >=0.11 && <0.14, mmsyn2 >=0.1.7 && <1
   -- hs-source-dirs:
   default-language:    Haskell2010
 
@@ -28,6 +28,6 @@
   main-is:             Main.hs
   -- other-modules:
   -- other-extensions:
-  build-depends:       base >=4.7 && <4.14, directory >=1 && <1.5, mmsyn7ukr >=0.6.2.1 && <1, vector >=0.11 && <0.14, mmsyn2 >=0.1.7 && <1
+  build-depends:       base >=4.7 && <4.14, directory >=1 && <1.5, mmsyn7ukr >=0.6.3 && <1, vector >=0.11 && <0.14, mmsyn2 >=0.1.7 && <1
   -- hs-source-dirs:
   default-language:    Haskell2010