diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Revision history for staversion
 
+## 0.2.3.4  -- 2020-03-29
+
+* Confirm test with `QuickCheck-2.14`.
+
 ## 0.2.3.3  -- 2020-01-02
 
 * Confirm test with `megaparsec-8.0.0` and `base-4.13`.
diff --git a/staversion.cabal b/staversion.cabal
--- a/staversion.cabal
+++ b/staversion.cabal
@@ -1,5 +1,5 @@
 name:                   staversion
-version:                0.2.3.3
+version:                0.2.3.4
 author:                 Toshio Ito <debug.ito@gmail.com>
 maintainer:             Toshio Ito <debug.ito@gmail.com>
 license:                BSD3
@@ -110,7 +110,7 @@
   build-depends:        base, staversion, text, filepath, bytestring,
                         Cabal, semigroups,
                         hspec >=2.1.7,
-                        QuickCheck >=2.8.1 && <2.14,
+                        QuickCheck >=2.8.1 && <2.15,
                         heredoc >=0.2.0.0 && <0.3
 
 flag network-test