diff --git a/.mcp.json b/.mcp.json
index b2ebead..66190ae 100644
--- a/.mcp.json
+++ b/.mcp.json
@@ -3,8 +3,10 @@
     "github": {
       "type": "http",
       "url": "https://api.githubcopilot.com/mcp/",
-      "headers": {
-        "Authorization": "Bearer ${GITHUB_MCP_TOKEN}"
+      "env": {
+        "GITHUB_APP_ID": "${GITHUB_APP_ID}",
+        "GITHUB_APP_PRIVATE_KEY_PATH": "${GITHUB_APP_PRIVATE_KEY_PATH}",
+        "GITHUB_INSTALLATION_ID": "${GITHUB_INSTALLATION_ID}"
       }
     }
   }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9b89fe5..8794e94 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,15 @@ Please, document here only changes visible to the client app.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.3.0] - 2026-06-03
+
+### [55 Query Athlete and GitHub App Authentication](https://github.com/torqlab/torq/issues/55)
+
+### Added
+
+- GitHub App authentication for GitHub MCP integration (replaces PAT-based auth)
+- Environment variables for GitHub App credentials in .env configuration
+
 ## [1.2.0] - 2026-06-03
 
 ### [55 Query Athlete](https://github.com/torqlab/torq/issues/55)
diff --git a/package.json b/package.json
index 06af6ac..963ea29 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@torqlab/strava-api",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "description": "Strava API client with automatic rate limiting, retry handling, and comprehensive type safety.",
   "license": "MIT",
   "author": {