diff --git a/cmd/lk/testdata/echo-agent-node/package.json b/cmd/lk/testdata/echo-agent-node/package.json
index 603b7980..94d5810b 100644
--- a/cmd/lk/testdata/echo-agent-node/package.json
+++ b/cmd/lk/testdata/echo-agent-node/package.json
@@ -6,7 +6,7 @@
   "dependencies": {
     "@livekit/agents": "^1.4.9",
     "@livekit/rtc-node": "^1.0.0",
-    "dotenv": "^17.0.0",
+    "dotenv": "^18.0.0",
     "zod": "^3.25.76"
   }
 }