diff --git a/package-lock.json b/package-lock.json
index 6fa52dd..ff37229 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3122,9 +3122,9 @@
       "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o="
     },
     "denque": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/denque/-/denque-1.4.1.tgz",
-      "integrity": "sha512-OfzPuSZKGcgr96rf1oODnfjqBFmr1DVoc/TrItj3Ohe0Ah1C5WX5Baquw/9U9KovnQ88EqmJbD66rKYUQYN1tQ=="
+      "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",
@@ -5547,9 +5547,9 @@
       }
     },
     "ioredis": {
-      "version": "4.19.4",
-      "resolved": "https://registry.npmjs.org/ioredis/-/ioredis-4.19.4.tgz",
-      "integrity": "sha512-3haQWw9dpEjcfVcRktXlayVNrrqvvc2io7Q/uiV2UsYw8/HC2YwwJr78Wql7zu5bzwci0x9bZYA69U7KkevAvw==",
+      "version": "4.20.0",
+      "resolved": "https://registry.npmjs.org/ioredis/-/ioredis-4.20.0.tgz",
+      "integrity": "sha512-UQt662u4/n+9jIWKHcszAA7TaiXCOCc/kVX2QbnVzrtNiCTg2DVQBY4jte6MfbVwZXxAkWHHBFSDlR2wcnCiVA==",
       "requires": {
         "cluster-key-slot": "^1.1.0",
         "debug": "^4.1.1",
diff --git a/package.json b/package.json
index 846e376..9ca6fe5 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "browserify": "^17.0.0",
     "debug": "^4.3.1",
     "dog-names": "^2.0.0",
-    "ioredis": "^4.19.4",
+    "ioredis": "^4.20.0",
     "koa": "^2.13.1",
     "koa-router": "^10.0.0",
     "koa-static": "^5.0.0",