diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 2be9c43..37fcefa 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.2.0"
+  ".": "1.0.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c0f0e0..df9a307 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [1.0.0](https://github.com/aetherpak/setup-cli/compare/v0.2.0...v1.0.0) (2026-05-29)
+
+
+### ⚠ BREAKING CHANGES
+
+* require Linux (Ubuntu) runners, refactor shell array execution, warn on non-apt systems, and expose version/path outputs.
+
+### Features
+
+* add branding metadata to action.yml ([77402ba](https://github.com/aetherpak/setup-cli/commit/77402ba9b184eea8786637d612a3dab25dd6263d))
+* improve curl safety, non-apt warnings, and add outputs ([27ba486](https://github.com/aetherpak/setup-cli/commit/27ba48697eb9135326c36310881332a82d1bb035))
+
 ## [0.2.0](https://github.com/aetherpak/setup-cli/compare/v0.1.0...v0.2.0) (2026-05-29)