diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6a6c6e1d1..56ec5f138 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -36,6 +36,7 @@
 - Apps/Branding: refreshed iOS/Android/macOS icons (#521) — thanks @fishfisher.
 
 ### Fixes
+- Packaging: include MS Teams send module in npm tarball.
 - Sandbox/Browser: auto-start CDP endpoint; proxy CDP out of container for attachOnly; relax Bun fetch typing; align sandbox list output with config images.
 - Agents/Runtime: gate heartbeat prompt to default sessions; /stop aborts between tool calls; require explicit system-event session keys; guard small context windows; fix model fallback stringification; sessions_spawn inherits provider; failover on billing/credits; respect auth cooldown ordering; restore Anthropic OAuth tool dispatch + tool-name bypass; avoid OpenAI invalid reasoning replay; harden Gmail hook model defaults.
 - Agent history/schema: strip/skip empty assistant/error blocks to prevent session corruption/Claude 400s; scrub unsupported JSON Schema keywords + sanitize tool call IDs for Cloud Code Assist; simplify Gemini-compatible tool/session schemas; require raw for config.apply.
diff --git a/package.json b/package.json
index e34a1c18b..a0603ff75 100644
--- a/package.json
+++ b/package.json
@@ -25,6 +25,7 @@
     "dist/infra/**",
     "dist/macos/**",
     "dist/media/**",
+    "dist/msteams/**",
     "dist/process/**",
     "dist/sessions/**",
     "dist/providers/**",
diff --git a/scripts/release-check.ts b/scripts/release-check.ts
index 3863a9d11..e94db0713 100755
--- a/scripts/release-check.ts
+++ b/scripts/release-check.ts
@@ -5,7 +5,11 @@ import { execSync } from "node:child_process";
 type PackFile = { path: string };
 type PackResult = { files?: PackFile[] };
 
-const requiredPaths = ["dist/discord/send.js", "dist/hooks/gmail.js"];
+const requiredPaths = [
+  "dist/discord/send.js",
+  "dist/hooks/gmail.js",
+  "dist/msteams/send.js",
+];
 const forbiddenPrefixes = ["dist/Clawdbot.app/"];
 
 function runPackDry(): PackResult[] {