diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -244,3 +244,8 @@
 ## 0.15.3.0 -- 2020-03-04
 
 * Fifteenth version revised E. Changed the 'Processing_mmsyn7ukr.tempeRa' function. 
+
+## 0.15.4.0 -- 2020-05-14
+
+* Fifteenth version revised F. Changed the bounds of the dependencies so that now also GHC 8.10* series are supported.
+
diff --git a/mmsyn7ukr.cabal b/mmsyn7ukr.cabal
--- a/mmsyn7ukr.cabal
+++ b/mmsyn7ukr.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                mmsyn7ukr
-version:             0.15.3.0
+version:             0.15.4.0
 synopsis:            A simple basic interface to some SoX functionality or to produce a voice that can be used by mmsyn7h
 description:         A program and a library that can be used as a simple basic interface to some SoX functionality or to produce your voice in Ukrainian (if you pronounce the sounds properly) represented by the separate sounds or something special like soft sign.
 homepage:            https://hackage.haskell.org/package/mmsyn7ukr
@@ -21,7 +21,7 @@
   exposed-modules:     Paths_mmsyn7ukr, SoXBasics, SoXBasics1, Processing_mmsyn7ukr, Main, ReplaceP, Control.Exception.FinalException
   -- other-modules:
   -- other-extensions:
-  build-depends:       base >=4.7 && <4.14, process >=1.4 && <1.8, vector >=0.11 && <0.14, bytestring >=0.10 && < 0.12, mmsyn2 >=0.1.7 && <1, directory >=1.2.5 && <1.4, mmsyn6ukr >=0.6.2 && <1, mmsyn3 >=0.1.4 && <1
+  build-depends:       base >=4.7 && <4.15, process >=1.4 && <1.9, vector >=0.11 && <0.14, bytestring >=0.10 && < 0.13, mmsyn2 >=0.1.8 && <1, directory >=1.2.5 && <1.5, mmsyn6ukr >=0.7.2 && <1, mmsyn3 >=0.1.5 && <1
   -- hs-source-dirs:
   default-language:    Haskell2010
 
@@ -29,7 +29,7 @@
   main-is:             Main.hs
   -- other-modules:
   -- other-extensions:
-  build-depends:       base >=4.7 && <4.14, process >=1.4 && <1.8, vector >=0.11 && <0.14, bytestring >=0.10 && < 0.12, mmsyn2 >=0.1.7 && <1, directory >=1.2.5 && <1.4, mmsyn6ukr >=0.6.2 && <1, mmsyn3 >=0.1.4 && <1
+  build-depends:       base >=4.7 && <4.15, process >=1.4 && <1.9, vector >=0.11 && <0.14, bytestring >=0.10 && < 0.13, mmsyn2 >=0.1.8 && <1, directory >=1.2.5 && <1.5, mmsyn6ukr >=0.7.2 && <1, mmsyn3 >=0.1.5 && <1
   ghc-options:         -threaded  
   -- hs-source-dirs:
   default-language:    Haskell2010