diff --git a/package-lock.json b/package-lock.json
index af165b4..b82f72a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3591,9 +3591,9 @@
       "dev": true
     },
     "ioredis": {
-      "version": "4.16.2",
-      "resolved": "https://registry.npmjs.org/ioredis/-/ioredis-4.16.2.tgz",
-      "integrity": "sha512-hlRK9q9K8pWpYIxUh079dWUWECiGNdI7+/AR21pgeqIBXQzjVKFnz0wXvmhEQZV3Hvv4saQpvJww9SkjwvPXZA==",
+      "version": "4.16.3",
+      "resolved": "https://registry.npmjs.org/ioredis/-/ioredis-4.16.3.tgz",
+      "integrity": "sha512-Ejvcs2yW19Vq8AipvbtfcX3Ig8XG9EAyFOvGbhI/Q1QoVOK9ZdgY092kdOyOWIYBnPHjfjMJhU9qhsnp0i0K1w==",
       "requires": {
         "cluster-key-slot": "^1.1.0",
         "debug": "^4.1.1",
diff --git a/package.json b/package.json
index cb816b7..0830042 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
   },
   "dependencies": {
     "@tadashi/jsonb": "3.0.1",
-    "ioredis": "4.16.2"
+    "ioredis": "4.16.3"
   },
   "devDependencies": {
     "ava": "3.7.1",