diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -69,6 +69,10 @@
 
 ## 0.6.0.0 -- 2020-12-15
 
-* Sixth version. Switched to the GHC.Arr module from the base package. Removed vector and mmsyn2 as dependencies. 
+* Sixth version. Switched to the GHC.Arr module from the base package. Removed vector and mmsyn2 as dependencies.
 Some code improvements.
+
+## 0.6.1.0 -- 2020-12-15
+
+* Sixth version revised A. Removed also mmsyn2-array as a dependency.
 
diff --git a/MMSyn4.hs b/MMSyn4.hs
--- a/MMSyn4.hs
+++ b/MMSyn4.hs
@@ -26,7 +26,6 @@
 import System.Info (os)
 import System.CPUTime (getCPUTime)
 import System.Process (callCommand)
-import CaseBi.Arr
 import GHC.Arr
 import EndOfExe (showE)
 import Data.Maybe (isJust,fromJust)
diff --git a/mmsyn4.cabal b/mmsyn4.cabal
--- a/mmsyn4.cabal
+++ b/mmsyn4.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                mmsyn4
-version:             0.6.0.0
+version:             0.6.1.0
 synopsis:            The "glue" between electronic tables and GraphViz
 description:         The program mmsyn4 converts a specially formated .csv file with a colon as a field separator obtained from the electronic table into a visualized by GraphViz graph.
 homepage:            https://hackage.haskell.org/package/mmsyn4
@@ -20,7 +20,7 @@
   exposed-modules:     Main, MMSyn4
   -- other-modules:
   other-extensions:    CPP, BangPatterns
-  build-depends:       base >=4.7 && <4.15, directory >=1 && <1.5, process >=1.2 && <1.8, mmsyn2-array >=0.1 && <1, mmsyn3 >=0.1.5 && <0.2
+  build-depends:       base >=4.7 && <4.15, directory >=1 && <1.5, process >=1.2 && <1.8, mmsyn3 >=0.1.5 && <0.2
   -- hs-source-dirs:
   default-language:    Haskell2010
 
@@ -28,6 +28,6 @@
   main-is:             Main.hs
   other-modules:       MMSyn4
   other-extensions:    CPP, BangPatterns
-  build-depends:       base >=4.7 && <4.15, directory >=1 && <1.5, process >=1.2 && <1.8, mmsyn2-array >=0.1 && <1, mmsyn3 >=0.1.5 && <0.2
+  build-depends:       base >=4.7 && <4.15, directory >=1 && <1.5, process >=1.2 && <1.8, mmsyn3 >=0.1.5 && <0.2
   -- hs-source-dirs:
   default-language:    Haskell2010