diff --git a/.github/release-please-manifest.json b/.github/release-please-manifest.json
index c17c08f..af718e5 100644
--- a/.github/release-please-manifest.json
+++ b/.github/release-please-manifest.json
@@ -1 +1 @@
-{".":"1.3.0"}
+{".":"1.4.0"}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b995021..53319d4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.4.0](https://github.com/Emerging-Patterns/ezjson/compare/v1.3.0...v1.4.0) (2026-10-25)
+
+
+### Features
+
+* **nix:** build and check on x86_64-linux, aarch64-linux and aarch64-darwin ([#84](https://github.com/Emerging-Patterns/ezjson/issues/84)) ([30485c6](https://github.com/Emerging-Patterns/ezjson/commit/30485c648db9026c81c7c5a928e8f6615045162f))
+
 ## [1.3.0](https://github.com/Emerging-Patterns/ezjson/compare/v1.2.0...v1.3.0) (2026-10-23)
 
 
diff --git a/flake.nix b/flake.nix
index aef0ed7..62f83ba 100644
--- a/flake.nix
+++ b/flake.nix
@@ -16,7 +16,7 @@
 
   outputs = { self, nixpkgs, ... }@inputs:
     let
-      version = "1.3.0"; # x-release-please-version
+      version = "1.4.0"; # x-release-please-version
       systems = [ "x86_64-linux" "aarch64-linux" "aarch64-darwin" ];
       forEach = nixpkgs.lib.genAttrs systems;
       outputsFor = system: