diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Revision history for fold-debounce
 
+## 0.2.0.15  -- 2025-03-19
+
+* Confirm test with `ghc-9.12.1`.
+
 ## 0.2.0.14  -- 2024-11-01
 
 * Remove broken links to `Control.Debounce` module. (#3)
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:                0.2.0.14
+version:                0.2.0.15
 author:                 Toshio Ito <debug.ito@gmail.com>
 maintainer:             Toshio Ito <debug.ito@gmail.com>
 license:                BSD3
@@ -20,10 +20,10 @@
   exposed-modules:      Control.FoldDebounce
   default-extensions:   DeriveDataTypeable
   -- other-modules:
-  build-depends:        base ^>=4.14.0 || ^>=4.15.0 || ^>=4.16.0 || ^>=4.17.0 || ^>=4.18.0 || ^>=4.19.0 || ^>=4.20.0,
+  build-depends:        base ^>=4.14.0 || ^>=4.15.0 || ^>=4.16.0 || ^>=4.17.0 || ^>=4.18.0 || ^>=4.19.0 || ^>=4.20.0 || ^>=4.21.0,
                         data-default ^>=0.7.1 || ^>=0.8.0,
                         stm ^>=2.5.0,
-                        time ^>=1.9.3 || ^>=1.11.1 || ^>=1.12.2,
+                        time ^>=1.9.3 || ^>=1.11.1 || ^>=1.12.2 || ^>=1.14,
                         stm-delay ^>=0.1.1
 
 test-suite spec
@@ -34,11 +34,11 @@
   main-is:              Spec.hs
   other-modules:        Control.FoldDebounceSpec
   build-tool-depends:   hspec-discover:hspec-discover
-  build-depends:        base ^>=4.14.0 || ^>=4.15.0 || ^>=4.16.0 || ^>=4.17.0 || ^>=4.18.0 || ^>=4.19.0 || ^>=4.20.0,
+  build-depends:        base ^>=4.14.0 || ^>=4.15.0 || ^>=4.16.0 || ^>=4.17.0 || ^>=4.18.0 || ^>=4.19.0 || ^>=4.20.0 || ^>=4.21.0,
                         fold-debounce,
                         hspec ^>=2.10.6 || ^>=2.11.9,
                         stm ^>=2.5.0,
-                        time ^>=1.9.3 || ^>=1.11.1 || ^>=1.12.2
+                        time ^>=1.9.3 || ^>=1.11.1 || ^>=1.12.2 || ^>=1.14
 
 test-suite spec-threaded
   type:                 exitcode-stdio-1.0
@@ -48,11 +48,11 @@
   main-is:              Spec.hs
   other-modules:        Control.FoldDebounceSpec
   build-tool-depends:   hspec-discover:hspec-discover
-  build-depends:        base ^>=4.14.0 || ^>=4.15.0 || ^>=4.16.0 || ^>=4.17.0 || ^>=4.18.0 || ^>=4.19.0 || ^>=4.20.0,
+  build-depends:        base ^>=4.14.0 || ^>=4.15.0 || ^>=4.16.0 || ^>=4.17.0 || ^>=4.18.0 || ^>=4.19.0 || ^>=4.20.0 || ^>=4.21.0,
                         fold-debounce,
                         hspec ^>=2.10.6 || ^>=2.11.9,
                         stm ^>=2.5.0,
-                        time ^>=1.9.3 || ^>=1.11.1 || ^>=1.12.2
+                        time ^>=1.9.3 || ^>=1.11.1 || ^>=1.12.2 || ^>=1.14
 
 source-repository head
   type:                 git