diff --git a/package-lock.json b/package-lock.json
index 5afc4ac..f53828f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,6 +9,7 @@
         "@fastify/cookie": "^8.3.0",
         "@fastify/cors": "^8.2.0",
         "@fastify/static": "^6.9.0",
+        "@fastify/websocket": "^8.1.0",
         "@slack/bolt": "^3.13.0",
         "@waylaidwanderer/chatgpt-api": "^1.36.0",
         "asn1.js": "^5.0.0",
@@ -237,6 +238,15 @@
         "readable-stream": "^4.0.0"
       }
     },
+    "node_modules/@fastify/websocket": {
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/@fastify/websocket/-/websocket-8.1.0.tgz",
+      "integrity": "sha512-7Tk+ODgvS/S9IyPXuXDU1v5tpchAeSWFH0B3Ldz+cnBKy5+lEmuj4ncLhVUzXgn9w3ycX/Vhf1mEEkcemBFUIQ==",
+      "dependencies": {
+        "fastify-plugin": "^4.0.0",
+        "ws": "^8.0.0"
+      }
+    },
     "node_modules/@jimp/bmp": {
       "version": "0.22.8",
       "resolved": "https://registry.npmmirror.com/@jimp/bmp/-/bmp-0.22.8.tgz",
diff --git a/package.json b/package.json
index 104c4ad..dc317c6 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
     "@fastify/cookie": "^8.3.0",
     "@fastify/cors": "^8.2.0",
     "@fastify/static": "^6.9.0",
+    "@fastify/websocket": "^8.1.0",
     "@slack/bolt": "^3.13.0",
     "@waylaidwanderer/chatgpt-api": "^1.36.0",
     "asn1.js": "^5.0.0",
diff --git a/yarn.lock b/yarn.lock
index 68bd622..9d0082c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -106,6 +106,14 @@
     p-limit "^3.1.0"
     readable-stream "^4.0.0"
 
+"@fastify/websocket@^8.1.0":
+  version "8.1.0"
+  resolved "https://registry.npmjs.org/@fastify/websocket/-/websocket-8.1.0.tgz"
+  integrity sha512-7Tk+ODgvS/S9IyPXuXDU1v5tpchAeSWFH0B3Ldz+cnBKy5+lEmuj4ncLhVUzXgn9w3ycX/Vhf1mEEkcemBFUIQ==
+  dependencies:
+    fastify-plugin "^4.0.0"
+    ws "^8.0.0"
+
 "@jimp/bmp@^0.22.8":
   version "0.22.8"
   resolved "https://registry.npmmirror.com/@jimp/bmp/-/bmp-0.22.8.tgz"
@@ -4391,7 +4399,7 @@ ws@^7.5.6:
   resolved "https://registry.npmmirror.com/ws/-/ws-7.5.9.tgz"
   integrity sha512-F+P9Jil7UiSKSkppIiD94dN07AwvFixvLIj1Og1Rl9GGMuNipJnV9JzjD6XuqmAeiswGvUmNLjr5cFuXwNS77Q==
 
-ws@^8.12.0, ws@^8.13.0:
+ws@^8.0.0, ws@^8.12.0, ws@^8.13.0:
   version "8.13.0"
   resolved "https://registry.npmmirror.com/ws/-/ws-8.13.0.tgz"
   integrity sha512-x9vcZYTrFPC7aSIbj7sRCYo7L/Xb8Iy+pW0ng0wt2vCJv7M9HOMy0UoN3rr+IFC7hb7vXoqS+P9ktyLLLhO+LA==