diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 3d2ac0b..fea3454 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.1.0"
+  ".": "1.0.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..251fb45
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,8 @@
+# Changelog
+
+## 1.0.0 (2026-03-28)
+
+
+### Features
+
+* initial implementation of AWS auth refresh plugin ([c8cca65](https://github.com/DEVtheOPS/opencode-plugin-aws-auth-refresh-/commit/c8cca65e1a2754633eb5d6ce75373ca9833fe993))
diff --git a/package.json b/package.json
index a4910b2..87bfb60 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@devtheops/opencode-plugin-aws-auth-refresh",
-  "version": "0.1.0",
+  "version": "1.0.0",
   "description": "OpenCode plugin that auto-refreshes AWS credentials when auth errors are detected",
   "keywords": [
     "opencode",