diff --git a/scripts/listen-chat.ts b/scripts/listen-chat.ts
old mode 100644
new mode 100755
index 4d056d7..792e4e8
--- a/scripts/listen-chat.ts
+++ b/scripts/listen-chat.ts
@@ -1,4 +1,4 @@
-#!/usr/bin/env tsx
+#!/usr/bin/env bun
 import { appendFileSync } from 'node:fs';
 import { resolve } from 'node:path';
 
diff --git a/scripts/refresh-obs-source.ts b/scripts/refresh-obs-source.ts
index 85c6bf8..df3c66e 100755
--- a/scripts/refresh-obs-source.ts
+++ b/scripts/refresh-obs-source.ts
@@ -1,4 +1,4 @@
-#!/usr/bin/env tsx
+#!/usr/bin/env bun
 // Refresh an OBS Browser Source via obs-websocket v5.
 // usage: refresh-obs-source.ts <source-name>
 // env: OBS_WEBSOCKET_URL (default ws://localhost:4455), OBS_WEBSOCKET_PASSWORD