diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,14 @@
 `co-log-core` uses [PVP Versioning][1].
 The change log is available [on GitHub][2].
 
+## 0.3.2.4 — January 5, 2024
+
+## What's Changed
+
+* Support ghc-9.12.
+
+**Full Changelog**: https://github.com/co-log/co-log-core/compare/v0.3.2.3...v0.3.2.4
+
 ## 0.3.2.3 — December 15, 2024
 
 ## What's Changed
diff --git a/co-log-core.cabal b/co-log-core.cabal
--- a/co-log-core.cabal
+++ b/co-log-core.cabal
@@ -1,6 +1,6 @@
 cabal-version:       2.4
 name:                co-log-core
-version:             0.3.2.3
+version:             0.3.2.4
 synopsis:            Composable Contravariant Comonadic Logging Library
 description:
     This package provides core types and functions to work with the @LogAction@ data type which is both simple and powerful.
@@ -44,13 +44,14 @@
                      GHC == 9.6.6
                      GHC == 9.8.4
                      GHC == 9.10.1
+                     GHC == 9.12.1
 
 source-repository head
   type:                git
   location:            https://github.com/co-log/co-log-core.git
 
 common common-options
-  build-depends:       base >= 4.10.1.0 && < 4.21
+  build-depends:       base >= 4.10.1.0 && < 4.22
 
   ghc-options:         -Wall
                        -Wcompat
@@ -97,10 +98,10 @@
   import:              common-options
   hs-source-dirs:      src
   exposed-modules:     Colog.Core
-                           Colog.Core.Action
-                           Colog.Core.Class
-                           Colog.Core.Severity
-                           Colog.Core.IO
+                       Colog.Core.Action
+                       Colog.Core.Class
+                       Colog.Core.Severity
+                       Colog.Core.IO
 
 test-suite doctest
   import:               common-options