diff --git a/08-websockets/package-lock.json b/08-websockets/package-lock.json
index c3ef121..8f9af63 100644
--- a/08-websockets/package-lock.json
+++ b/08-websockets/package-lock.json
@@ -153,6 +153,11 @@
         "ms": "2.0.0"
       }
     },
+    "denque": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/denque/-/denque-1.5.0.tgz",
+      "integrity": "sha512-CYiCSgIF1p6EUByQPlGkKnP1M9g0ZV3qMIrqMqZqdwazygIA/YP2vrbcyl1h/WppKJTdl1F85cXIle+394iDAQ=="
+    },
     "depd": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
@@ -551,24 +556,33 @@
       }
     },
     "redis": {
-      "version": "2.8.0",
-      "resolved": "https://registry.npmjs.org/redis/-/redis-2.8.0.tgz",
-      "integrity": "sha512-M1OkonEQwtRmZv4tEWF2VgpG0JWJ8Fv1PhlgT5+B+uNq2cA3Rt1Yt/ryoR+vQNOQcIEgdCdfH0jr3bDpihAw1A==",
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/redis/-/redis-3.1.1.tgz",
+      "integrity": "sha512-QhkKhOuzhogR1NDJfBD34TQJz2ZJwDhhIC6ZmvpftlmfYShHHQXjjNspAJ+Z2HH5NwSBVYBVganbiZ8bgFMHjg==",
       "requires": {
-        "double-ended-queue": "2.1.0-0",
-        "redis-commands": "1.5.0",
-        "redis-parser": "2.6.0"
+        "denque": "^1.5.0",
+        "redis-commands": "^1.7.0",
+        "redis-errors": "^1.2.0",
+        "redis-parser": "^3.0.0"
       }
     },
     "redis-commands": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/redis-commands/-/redis-commands-1.5.0.tgz",
-      "integrity": "sha512-6KxamqpZ468MeQC3bkWmCB1fp56XL64D4Kf0zJSwDZbVLLm7KFkoIcHrgRvQ+sk8dnhySs7+yBg94yIkAK7aJg=="
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/redis-commands/-/redis-commands-1.7.0.tgz",
+      "integrity": "sha512-nJWqw3bTFy21hX/CPKHth6sfhZbdiHP6bTawSgQBlKOVRG7EZkfHbbHwQJnrE4vsQf0CMNE+3gJ4Fmm16vdVlQ=="
+    },
+    "redis-errors": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/redis-errors/-/redis-errors-1.2.0.tgz",
+      "integrity": "sha1-62LSrbFeTq9GEMBK/hUpOEJQq60="
     },
     "redis-parser": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/redis-parser/-/redis-parser-2.6.0.tgz",
-      "integrity": "sha1-Uu0J2srBCPGmMcB+m2mUHnoZUEs="
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/redis-parser/-/redis-parser-3.0.0.tgz",
+      "integrity": "sha1-tm2CjNyv5rS4pCin3vTGvKwxyLQ=",
+      "requires": {
+        "redis-errors": "^1.0.0"
+      }
     },
     "rimraf": {
       "version": "2.6.3",
@@ -734,6 +748,23 @@
         "redis": "2.8.0",
         "socket.io-adapter": "1.1.1",
         "uid2": "0.0.3"
+      },
+      "dependencies": {
+        "redis": {
+          "version": "2.8.0",
+          "resolved": "https://registry.npmjs.org/redis/-/redis-2.8.0.tgz",
+          "integrity": "sha512-M1OkonEQwtRmZv4tEWF2VgpG0JWJ8Fv1PhlgT5+B+uNq2cA3Rt1Yt/ryoR+vQNOQcIEgdCdfH0jr3bDpihAw1A==",
+          "requires": {
+            "double-ended-queue": "^2.1.0-0",
+            "redis-commands": "^1.2.0",
+            "redis-parser": "^2.6.0"
+          }
+        },
+        "redis-parser": {
+          "version": "2.6.0",
+          "resolved": "https://registry.npmjs.org/redis-parser/-/redis-parser-2.6.0.tgz",
+          "integrity": "sha1-Uu0J2srBCPGmMcB+m2mUHnoZUEs="
+        }
       }
     },
     "socketio-auth": {
diff --git a/08-websockets/package.json b/08-websockets/package.json
index 8b1442c..6b62940 100644
--- a/08-websockets/package.json
+++ b/08-websockets/package.json
@@ -13,7 +13,7 @@
   "license": "ISC",
   "dependencies": {
     "express": "^4.17.1",
-    "redis": "^2.8.0",
+    "redis": "^3.1.1",
     "session": "^0.1.0",
     "socket.io": "^2.2.0",
     "socket.io-client": "^2.2.0",