diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,20 @@
 
 ## [Unreleased]
 
+## [1.1.0.0] - 2026-04-11
+
+### Added
+
+- GHC 9.14.1 support
+
+### Changed
+
+- Relax `sydtest` dependency upper bound from `<0.19` to `<0.24` to support nixpkgs sydtest 0.20.0.1+
+
+### Removed
+
+- Drop Intel Mac (x86_64-darwin) from Nix build targets due to Nix ending support for this platform
+
 ## [1.0.5.0] - 2026-01-12
 
 ### Added
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 [![Haddock](https://img.shields.io/badge/docs-Haddock-purple.svg)](https://hackage.haskell.org/package/himari/docs/Himari.html)
 
 ![Linux](https://img.shields.io/badge/linux-x86__64%20|%20ARM64-brightgreen?logo=linux&logoColor=white)
-![macOS](https://img.shields.io/badge/macOS-x86__64%20|%20ARM64-brightgreen?logo=apple&logoColor=white)
+![macOS](https://img.shields.io/badge/macOS-ARM64-brightgreen?logo=apple&logoColor=white)
 ![Windows](https://img.shields.io/badge/windows-x86__64-brightgreen?logo=windows&logoColor=white)
 
 A standard library for Haskell to replace rio
diff --git a/himari.cabal b/himari.cabal
--- a/himari.cabal
+++ b/himari.cabal
@@ -1,6 +1,6 @@
 cabal-version: 3.12
 name: himari
-version: 1.0.5.0
+version: 1.1.0.0
 synopsis: A standard library for Haskell as an alternative to rio
 description:
   A standard library for Haskell inspired by rio.
@@ -30,6 +30,7 @@
   ghc ==9.10.2
   ghc ==9.10.3
   ghc ==9.12.2
+  ghc ==9.14.1
 
 source-repository head
   type: git
@@ -81,7 +82,7 @@
   build-depends:
     aeson ^>=2.2.3.0,
     aeson-pretty ^>=0.8.10,
-    base >=4.19.2.0 && <4.22,
+    base >=4.19.2.0 && <4.23,
     bytestring ^>=0.12.2.0,
     containers ^>=0.7,
     convertible ^>=1.1.1.1,
@@ -142,7 +143,7 @@
   build-depends:
     QuickCheck ^>=2.15.0.1,
     himari,
-    sydtest ^>=0.18.0.0,
+    sydtest >=0.18.0.0 && <0.24,
 
   build-tool-depends:
     hlint:hlint ^>=3.10