diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,2 +1,5 @@
+# 0.1.0.1
+- Added compatibility with text-2.1.1 and below.
+
 # 0.1.0.0
 Initial release.
diff --git a/ConsoleAsk.cabal b/ConsoleAsk.cabal
--- a/ConsoleAsk.cabal
+++ b/ConsoleAsk.cabal
@@ -1,7 +1,7 @@
 cabal-version: 2.2
 
 name:           ConsoleAsk
-version:        0.1.0.0
+version:        0.1.0.1
 description:    Please see the README on GitHub at <https://github.com/t-sasaki915/ConsoleAsk#readme>
 synopsis:       Simple CLI user input library
 homepage:       https://github.com/t-sasaki915/ConsoleAsk#readme
diff --git a/src/System/Console/Ask/Internal.hs b/src/System/Console/Ask/Internal.hs
--- a/src/System/Console/Ask/Internal.hs
+++ b/src/System/Console/Ask/Internal.hs
@@ -55,7 +55,7 @@
             TextIO.putStrLn question
 
         Just defaultVal' ->
-            let defaultValMessage = _defaultValueViewer behaviour (Text.show defaultVal') in
+            let defaultValMessage = _defaultValueViewer behaviour (Text.pack $ show defaultVal') in
                 case _defaultValueStyle behaviour of
                     OnQuestionLine ->
                         TextIO.putStrLn (question <> " (" <> defaultValMessage <> ")")
