diff --git a/package-lock.json b/package-lock.json
index 1246bba..1ff18d7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,12 @@
   "lockfileVersion": 1,
   "requires": true,
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+    "@ioredis/commands": {
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+      "resolved": "https://registry.npmjs.org/@ioredis/commands/-/commands-1.2.0.tgz",
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+    },
     "@types/color-name": {
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       "resolved": "https://registry.npmjs.org/@types/color-name/-/color-name-1.1.1.tgz",
@@ -281,9 +287,9 @@
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-      "resolved": "https://registry.npmjs.org/cluster-key-slot/-/cluster-key-slot-1.1.0.tgz",
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+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/cluster-key-slot/-/cluster-key-slot-1.1.2.tgz",
+      "integrity": "sha512-RMr0FhtfXemyinomL4hrWcYJxmX6deFdCxpJzhDttxgO1+bcCnkk+9drydLVDmAMG7NE6aN/fl4F7ucU/90gAA==",
       "dev": true
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     "color-convert": {
@@ -803,51 +809,42 @@
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-      "version": "4.14.1",
-      "resolved": "https://registry.npmjs.org/ioredis/-/ioredis-4.14.1.tgz",
-      "integrity": "sha512-94W+X//GHM+1GJvDk6JPc+8qlM7Dul+9K+lg3/aHixPN7ZGkW6qlvX0DG6At9hWtH2v3B32myfZqWoANUJYGJA==",
+      "version": "5.2.5",
+      "resolved": "https://registry.npmjs.org/ioredis/-/ioredis-5.2.5.tgz",
+      "integrity": "sha512-7HKo/ClM2DGLRXdFq8ruS3Uuadensz4A76wPOU0adqlOqd1qkhoLPDaBhmVhUhNGpB+J65/bhLmNB8DDY99HJQ==",
       "dev": true,
       "requires": {
+        "@ioredis/commands": "^1.1.1",
         "cluster-key-slot": "^1.1.0",
-        "debug": "^4.1.1",
-        "denque": "^1.1.0",
+        "debug": "^4.3.4",
+        "denque": "^2.0.1",
         "lodash.defaults": "^4.2.0",
-        "lodash.flatten": "^4.4.0",
-        "redis-commands": "1.5.0",
+        "lodash.isarguments": "^3.1.0",
         "redis-errors": "^1.2.0",
         "redis-parser": "^3.0.0",
-        "standard-as-callback": "^2.0.1"
+        "standard-as-callback": "^2.1.0"
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-          "version": "4.1.1",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
-          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "version": "4.3.4",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
+          "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
           "dev": true,
           "requires": {
-            "ms": "^2.1.1"
+            "ms": "2.1.2"
           }
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+        "denque": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/denque/-/denque-2.1.0.tgz",
+          "integrity": "sha512-HVQE3AAb/pxF8fQAoiqpvg9i3evqug3hoiwakOyZAwJm+6vZehbkYXZ0l4JxS+I3QxM97v5aaRNhj8v5oBhekw==",
+          "dev": true
+        },
         "ms": {
           "version": "2.1.2",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
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           "dev": true
-        },
-        "redis-commands": {
-          "version": "1.5.0",
-          "resolved": "https://registry.npmjs.org/redis-commands/-/redis-commands-1.5.0.tgz",
-          "integrity": "sha512-6KxamqpZ468MeQC3bkWmCB1fp56XL64D4Kf0zJSwDZbVLLm7KFkoIcHrgRvQ+sk8dnhySs7+yBg94yIkAK7aJg==",
-          "dev": true
-        },
-        "redis-parser": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/redis-parser/-/redis-parser-3.0.0.tgz",
-          "integrity": "sha1-tm2CjNyv5rS4pCin3vTGvKwxyLQ=",
-          "dev": true,
-          "requires": {
-            "redis-errors": "^1.0.0"
-          }
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@@ -1015,13 +1012,13 @@
     "lodash.defaults": {
       "version": "4.2.0",
       "resolved": "https://registry.npmjs.org/lodash.defaults/-/lodash.defaults-4.2.0.tgz",
-      "integrity": "sha1-0JF4cW/+pN3p5ft7N/bwgCJ0WAw=",
+      "integrity": "sha512-qjxPLHd3r5DnsdGacqOMU6pb/avJzdh9tFX2ymgoZE27BmjXrNy/y4LoaiTeAb+O3gL8AfpJGtqfX/ae2leYYQ==",
       "dev": true
     },
-    "lodash.flatten": {
-      "version": "4.4.0",
-      "resolved": "https://registry.npmjs.org/lodash.flatten/-/lodash.flatten-4.4.0.tgz",
-      "integrity": "sha1-8xwiIlqWMtK7+OSt2+8kCqdlph8=",
+    "lodash.isarguments": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/lodash.isarguments/-/lodash.isarguments-3.1.0.tgz",
+      "integrity": "sha512-chi4NHZlZqZD18a0imDHnZPrDeBbTtVN7GXMwuGdRH9qotxAjYs3aVLKc7zNOG9eddR5Ksd8rvFEBc9SsggPpg==",
       "dev": true
     },
     "log-symbols": {
@@ -1565,9 +1562,9 @@
       "dev": true
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     "standard-as-callback": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/standard-as-callback/-/standard-as-callback-2.0.1.tgz",
-      "integrity": "sha512-NQOxSeB8gOI5WjSaxjBgog2QFw55FV8TkS6Y07BiB3VJ8xNTvUYm0wl0s8ObgQ5NhdpnNfigMIKjgPESzgr4tg==",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/standard-as-callback/-/standard-as-callback-2.1.0.tgz",
+      "integrity": "sha512-qoRRSyROncaz1z0mvYqIE4lCd9p2R90i6GxW3uZv5ucSu8tU7B5HXUP1gG8pVZsYNVaXjk8ClXHPttLyxAL48A==",
       "dev": true
     },
     "statuses": {
diff --git a/package.json b/package.json
index 832e54c..b1b30c6 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
   "devDependencies": {
     "async": "^3.1.1",
     "express": "^4.16.2",
-    "ioredis": "^4.2.0",
+    "ioredis": "^5.2.5",
     "lodash": "^4.17.4",
     "mocha": "^8.1.3",
     "redis": "^3.0.2",