diff --git a/package-lock.json b/package-lock.json
index 48e341a..f043e29 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,3 +1,6 @@
 {
-  "lockfileVersion": 1
+  "name": "training-developer-src",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {}
 }
diff --git a/webserver-avro/package.json b/webserver-avro/package.json
index f093f51..0492037 100644
--- a/webserver-avro/package.json
+++ b/webserver-avro/package.json
@@ -13,7 +13,7 @@
     "avsc": "^5.7.9",
     "express": "^4.21.1",
     "node-rdkafka": "^3.6.1",
-    "socket.io": "^4.8.1"
+    "socket.io": "^2.3.0"
   },
   "devDependencies": {
     "eslint": "^8.57.1",
diff --git a/webserver/package.json b/webserver/package.json
index 117adc6..8257eae 100644
--- a/webserver/package.json
+++ b/webserver/package.json
@@ -12,7 +12,7 @@
   "dependencies": {
     "express": "^4.21.1",
     "node-rdkafka": "^3.6.1",
-    "socket.io": "^4.8.1"
+    "socket.io": "^2.3.0"
   },
   "devDependencies": {
     "eslint": "^8.57.1",