diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -66,3 +66,7 @@
 * Seventh version. Changed dependency boundaries. Fixed multiple issues with the uniqVec03 executable.
 Some comments in the code improvements. Introduced two more command line options -- the third and the fourth ones to control whether to print the line of
 the text being analyzed and whether to transform the text into a monolythic one-line String before processment respectively.
+
+## 0.7.1.0 -- 2020-09-28
+
+* Seventh version revised A. Fixed issue with ambiguous importing for GHC-7.8* series in the uniqVec03 executable Main.hs module.
diff --git a/Proportion/Main.hs b/Proportion/Main.hs
--- a/Proportion/Main.hs
+++ b/Proportion/Main.hs
@@ -43,7 +43,7 @@
 import Languages.Phonetic.Ukrainian.PrepareText
 import Languages.UniquenessPeriods.Vector.Data
 import Languages.UniquenessPeriods.Vector.Auxiliary
-import Languages.UniquenessPeriods.Vector.StrictV
+import Languages.UniquenessPeriods.Vector.StrictV hiding (mconcat)
 import Numeric (showFFloat)
 import Languages.UniquenessPeriods.Vector.Filters
 import GHC.Float (int2Float)
diff --git a/uniqueness-periods-vector-examples.cabal b/uniqueness-periods-vector-examples.cabal
--- a/uniqueness-periods-vector-examples.cabal
+++ b/uniqueness-periods-vector-examples.cabal
@@ -3,7 +3,7 @@
 -- http://haskell.org/cabal/users-guide/
 
 name:                uniqueness-periods-vector-examples
-version:             0.7.0.0
+version:             0.7.1.0
 synopsis:            Usage examples for the uniqueness-periods-vector series of packages
 description:         Usage examples for the uniqueness-periods-vector series of packages. Several executables are planned to demonstrate the libraries work.
 homepage:            https://hackage.haskell.org/package/uniqueness-periods-vector-examples