diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.1.0.9
+
+- Support `aeson-2.3.x`.
+
 # 0.1.0.8
 
 - Support `warp-3.4.x`.
diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 BSD 3-Clause License
 
-Copyright (c) 2024, Jasper Woudenberg
+Copyright (c) 2026, Jasper Woudenberg
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/wai-feature-flags.cabal b/wai-feature-flags.cabal
--- a/wai-feature-flags.cabal
+++ b/wai-feature-flags.cabal
@@ -1,11 +1,11 @@
 cabal-version: 1.18
 
--- This file has been generated from package.yaml by hpack version 0.35.2.
+-- This file has been generated from package.yaml by hpack version 0.38.3.
 --
 -- see: https://github.com/sol/hpack
 
 name:           wai-feature-flags
-version:        0.1.0.8
+version:        0.1.0.9
 synopsis:       Feature flag support for WAI applications.
 description:    Please see the README at <https://github.com/jwoudenberg/wai-feature-flags>.
 category:       Web
@@ -13,7 +13,7 @@
 bug-reports:    https://github.com/jwoudenberg/wai-feature-flags/issues
 author:         Jasper Woudenberg
 maintainer:     mail@jasperwoudenberg.com
-copyright:      2024 Jasper Woudenberg
+copyright:      2026 Jasper Woudenberg
 license:        BSD3
 license-file:   LICENSE
 build-type:     Simple
@@ -35,7 +35,7 @@
   hs-source-dirs:
       src
   build-depends:
-      aeson >=1.2.4.0 && <2.3
+      aeson >=1.2.4.0 && <2.4
     , base >=4.10.1.0 && <5
     , bytestring >=0.10.8.2 && <0.13
     , splitmix >=0.0.3 && <0.2