diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,10 @@
 # Revision history for fold-debounce
 
+## 0.2.0.5  -- 2017-01-24
+
+* Confirmed test with `hspec-2.4.0`.
+
+
 ## 0.2.0.4  -- 2016-11-27
 
 * Confirmed test with `time-1.7`.
diff --git a/fold-debounce.cabal b/fold-debounce.cabal
--- a/fold-debounce.cabal
+++ b/fold-debounce.cabal
@@ -1,5 +1,5 @@
 name:                   fold-debounce
-version:                0.2.0.4
+version:                0.2.0.5
 author:                 Toshio Ito <debug.ito@gmail.com>
 maintainer:             Toshio Ito <debug.ito@gmail.com>
 license:                BSD3
@@ -34,7 +34,7 @@
   main-is:              Spec.hs
   other-modules:        Control.FoldDebounceSpec
   build-depends:        base, fold-debounce,
-                        hspec >=2.1.7 && <2.4,
+                        hspec >=2.1.7 && <2.5,
                         stm,
                         time
 
@@ -46,7 +46,7 @@
   main-is:              Spec.hs
   other-modules:        Control.FoldDebounceSpec
   build-depends:        base, fold-debounce,
-                        hspec >=2.1.7 && <2.4,
+                        hspec >=2.1.7 && <2.5,
                         stm,
                         time
 
