diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -37,3 +37,7 @@
 ## 0.6.0.0 -- 2021-09-04
 
 * Sixth version. Added new 'tuned' functions. Exported now also the isUkrainianL function.
+
+## 0.6.1.0 -- 2021-09-09
+
+* Sixth version revised A. Fixed issue with language pragma of BangPatterns extension.
diff --git a/Ukrainian/Main.hs b/Ukrainian/Main.hs
--- a/Ukrainian/Main.hs
+++ b/Ukrainian/Main.hs
@@ -9,7 +9,7 @@
 
 {-# OPTIONS_GHC -threaded -rtsopts #-}
 
-{-# LANGUAGE CPP #-}
+{-# LANGUAGE CPP, BangPatterns #-}
 
 module Main where
 
diff --git a/phonetic-languages-ukrainian-array.cabal b/phonetic-languages-ukrainian-array.cabal
--- a/phonetic-languages-ukrainian-array.cabal
+++ b/phonetic-languages-ukrainian-array.cabal
@@ -2,7 +2,7 @@
 --  further documentation, see http://haskell.org/cabal/users-guide/
 
 name:                phonetic-languages-ukrainian-array
-version:             0.6.0.0
+version:             0.6.1.0
 synopsis:            Prepares Ukrainian text to be used as a phonetic language text
 description:         Applies needed minimal grammar connections so that the text afterwards can be processed by dobutokO-poetry or phonetic languages approach related programs. Uses arrays instead of vectors. Besides can be used to reverse many of the done concatenations.
 homepage:            https://hackage.haskell.org/package/phonetic-languages-ukrainian-array
@@ -19,16 +19,16 @@
 library
   exposed-modules:     Phonetic.Languages.Ukrainian.PrepareText, Ukrainian.ReverseConcatenations
   -- other-modules:
-  other-extensions:    CPP
-  build-depends:       base >=4.7 && <4.16, mmsyn2-array >=0.1.3 && <1, mmsyn5 >= 0.5 && <1
+  other-extensions:    CPP, BangPatterns
+  build-depends:       base >=4.7 && <4.16, mmsyn2-array >=0.1.3 && <1, mmsyn5 >=0.5 && <1
   -- hs-source-dirs:
   default-language:    Haskell2010
 
 executable unconcatUkr
   main-is:             Main.hs
   other-modules:       Ukrainian.ReverseConcatenations
-  other-extensions:    CPP
-  build-depends:       base >=4.7 && <4.16, mmsyn2-array >= 0.1.3 && <1, mmsyn5 >= 0.5 && <1
+  other-extensions:    CPP, BangPatterns
+  build-depends:       base >=4.7 && <4.16, mmsyn2-array >= 0.1.3 && <1, mmsyn5 >=0.5 && <1
   ghc-options:         -threaded -rtsopts
   hs-source-dirs:      ., Ukrainian
   default-language:    Haskell2010