diff --git a/package-lock.json b/package-lock.json
index b924fe9..a105084 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -774,13 +774,10 @@
       "dev": true
     },
     "get-port": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/get-port/-/get-port-5.0.0.tgz",
-      "integrity": "sha512-imzMU0FjsZqNa6BqOjbbW6w5BivHIuQKopjpPqcnx0AVHJQKCxK1O+Ab3OrVXhrekqfVMjwA9ZYu062R+KcIsQ==",
-      "dev": true,
-      "requires": {
-        "type-fest": "^0.3.0"
-      }
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/get-port/-/get-port-5.1.1.tgz",
+      "integrity": "sha512-g/Q1aTSDOxFpchXC4i8ZWvxA1lnPqx/JHqcpIw0/LX9T8x/GBbi6YnlN5nhaKIFkT8oFsscUKgDJYxfwfS6QsQ==",
+      "dev": true
     },
     "glob": {
       "version": "7.1.3",
@@ -1570,12 +1567,6 @@
         "prelude-ls": "~1.1.2"
       }
     },
-    "type-fest": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.3.0.tgz",
-      "integrity": "sha512-fg3sfdDdJDtdHLUpeGsf/fLyG1aapk6zgFiYG5+MDUPybGrJemH4SLk5tP7hGRe8ntxjg0q5LYW53b6YpJIQ9Q==",
-      "dev": true
-    },
     "type-name": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/type-name/-/type-name-2.0.2.tgz",
diff --git a/package.json b/package.json
index 8799172..a486a67 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "@types/node": "^12.12.22",
     "@types/power-assert": "^1.5.0",
     "espower-typescript": "^9.0.0",
-    "get-port": "^5.0.0",
+    "get-port": "^5.1.1",
     "mocha": "^6.2.1",
     "power-assert": "^1.4.4",
     "then-request": "^6.0.2",