diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 466df71..37fcefa 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.1.0"
+  ".": "1.0.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4dc248a..8392870 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,31 @@
 # Changelog
 
+## [1.0.0](https://github.com/devr-tools/merger/compare/v0.1.0...v1.0.0) (2026-07-10)
+
+
+### ⚠ BREAKING CHANGES
+
+* import paths change from github.com/mergerhq/merger/... to github.com/devr-tools/merger/...
+
+### Features
+
+* add GitHub Action and Homebrew distribution for the CLI ([308672b](https://github.com/devr-tools/merger/commit/308672b36550e7e0936b247719fdd34391521115))
+* add MCP server and extract shared config resolution ([351677d](https://github.com/devr-tools/merger/commit/351677d9028f02e28d5494c52ecf8e826d78d163))
+* add pkg/merger SDK for the offline scan pipeline ([f633dea](https://github.com/devr-tools/merger/commit/f633deafd78352f3c13aee7957b7ac204f7c149a))
+* add user-facing merger CLI with offline scan pipeline ([45d86b4](https://github.com/devr-tools/merger/commit/45d86b4db347b4a4a56e2c2ff522282556eb6779))
+
+
+### Bug Fixes
+
+* use /bin/bash in Makefile for CI portability ([62b1cc2](https://github.com/devr-tools/merger/commit/62b1cc22b4c1c1375dc8db70053a8a2ec4cf577f))
+
+
+### Code Refactoring
+
+* rename module to github.com/devr-tools/merger ([91f5f6b](https://github.com/devr-tools/merger/commit/91f5f6b79fbe7c611fd2239a0c93ec0c3a7580c3))
+
+## Changelog
+
 ## Unreleased
 
 ### Features
diff --git a/internal/version/version.go b/internal/version/version.go
index 46224e6..fb7eab9 100644
--- a/internal/version/version.go
+++ b/internal/version/version.go
@@ -6,4 +6,4 @@ package version
 // .goreleaser.yaml). The linker's -X flag only sets string vars, so a const
 // would silently leave released binaries reporting this default. Release Please
 // keeps the default below in sync with the manifest via the marker comment.
-var Number = "0.1.0" // x-release-please-version
+var Number = "1.0.0" // x-release-please-version