diff --git a/package-lock.json b/package-lock.json
index 4ce560c..c4b2a97 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3363,9 +3363,9 @@
       }
     },
     "ioredis": {
-      "version": "4.9.3",
-      "resolved": "https://registry.npmjs.org/ioredis/-/ioredis-4.9.3.tgz",
-      "integrity": "sha512-17BjBQ4cdUY8hxIvcpvxohH8uZ93/I2pi2CsdgbgXV1oYFiLOLpQASNmtZUsysxTwiF2Dcld7YgqJymNQsAdwA==",
+      "version": "4.9.5",
+      "resolved": "https://registry.npmjs.org/ioredis/-/ioredis-4.9.5.tgz",
+      "integrity": "sha512-L9MVfvX4F3LScTMEgriCGixzqinJsYy7Mt0NPX8RyuOTmx5JW0744pM4Ze2KVQcP3J0zvKYZ1LywAB6KIq7PYg==",
       "requires": {
         "cluster-key-slot": "^1.0.6",
         "debug": "^3.1.0",
diff --git a/package.json b/package.json
index 497504b..024b25f 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
   },
   "dependencies": {
     "@tadashi/jsonb": "1.0.0",
-    "ioredis": "4.9.3"
+    "ioredis": "4.9.5"
   },
   "devDependencies": {
     "ava": "2.0.0",