diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Revision history for hspec-need-env
 
+## 0.1.0.12  -- 2025-01-28
+
+* Confirm test with ghc-9.12.1.
+
 ## 0.1.0.11  -- 2024-09-11
 
 * Set dependency version bounds by cabal-plan-bounds.
diff --git a/hspec-need-env.cabal b/hspec-need-env.cabal
--- a/hspec-need-env.cabal
+++ b/hspec-need-env.cabal
@@ -1,5 +1,5 @@
 name:                   hspec-need-env
-version:                0.1.0.11
+version:                0.1.0.12
 author:                 Toshio Ito <debug.ito@gmail.com>
 maintainer:             Toshio Ito <debug.ito@gmail.com>
 license:                BSD3
@@ -21,7 +21,7 @@
   -- other-extensions:     
   exposed-modules:      Test.Hspec.NeedEnv
   -- other-modules:        
-  build-depends:        base ^>=4.13.0 || ^>=4.14.3 || ^>=4.15.0 || ^>=4.16.0 || ^>=4.17.0 || ^>=4.18.0 || ^>=4.19.0 || ^>=4.20.0,
+  build-depends:        base ^>=4.13.0 || ^>=4.14.3 || ^>=4.15.0 || ^>=4.16.0 || ^>=4.17.0 || ^>=4.18.0 || ^>=4.19.0 || ^>=4.20.0 || ^>=4.21.0,
                         hspec-expectations ^>=0.8.2,
                         hspec-core ^>=2.10.0 || ^>=2.11.7
 
@@ -46,7 +46,7 @@
   other-modules:        Test.Hspec.NeedEnvSpec,
                         Synopsis
   build-tool-depends:   hspec-discover:hspec-discover
-  build-depends:        base ^>=4.13.0 || ^>=4.14.3 || ^>=4.15.0 || ^>=4.16.0 || ^>=4.17.0 || ^>=4.18.0 || ^>=4.19.0 || ^>=4.20.0,
+  build-depends:        base ^>=4.13.0 || ^>=4.14.3 || ^>=4.15.0 || ^>=4.16.0 || ^>=4.17.0 || ^>=4.18.0 || ^>=4.19.0 || ^>=4.20.0 || ^>=4.21.0,
                         hspec-need-env,
                         hspec-core ^>=2.10.0 || ^>=2.11.7,
                         hspec ^>=2.10.0 || ^>=2.11.7,