diff --git a/word-racer-server/package-lock.json b/word-racer-server/package-lock.json
index f76a95b..baf3093 100644
--- a/word-racer-server/package-lock.json
+++ b/word-racer-server/package-lock.json
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       "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-0.0.3.tgz",
@@ -3430,11 +3466,6 @@
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       }
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-    "utf8": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/utf8/-/utf8-2.1.0.tgz",
-      "integrity": "sha1-DP7FyAUtRKI+OqqQgQToB1+V39U="
-    },
     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@@ -3563,13 +3594,9 @@
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     "ws": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-1.1.0.tgz",
-      "integrity": "sha1-wdb9FRXTzv8fCuJ1m/X9dwMKrR0=",
-      "requires": {
-        "options": ">=0.0.5",
-        "ultron": "1.0.x"
-      }
+      "version": "7.4.2",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.2.tgz",
+      "integrity": "sha512-T4tewALS3+qsrpGI/8dqNMLIVdq/g/85U98HPMa6F0m6xTbvhXU6RCQLqPH3+SlomNV/LdY6RXEbBpMH6EOJnA=="
     },
     "xdg-basedir": {
       "version": "2.0.0",
@@ -3581,9 +3608,9 @@
       }
     },
     "xmlhttprequest-ssl": {
-      "version": "1.5.1",
-      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.1.tgz",
-      "integrity": "sha1-O3dB/qSoZnWXbpCNKW1ERZYfqmc="
+      "version": "1.5.5",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.5.tgz",
+      "integrity": "sha1-wodrBhaKrcQOV9l+gRkayPQ5iz4="
     },
     "yallist": {
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diff --git a/word-racer-server/package.json b/word-racer-server/package.json
index c1a998c..fa74599 100644
--- a/word-racer-server/package.json
+++ b/word-racer-server/package.json
@@ -15,7 +15,7 @@
     "mongoose": "4.5.8",
     "randomstring": "1.1.5",
     "restify": "4.1.1",
-    "socket.io": "1.4.8",
+    "socket.io": "2.4.0",
     "underscore": "1.8.3"
   },
   "devDependencies": {