diff --git a/spec/GraphQLQueryComplexity.spec.js b/spec/GraphQLQueryComplexity.spec.js
index 324634e278..def95a6b51 100644
--- a/spec/GraphQLQueryComplexity.spec.js
+++ b/spec/GraphQLQueryComplexity.spec.js
@@ -2,7 +2,11 @@
 
 const http = require('http');
 const express = require('express');
-const fetch = (...args) => import('node-fetch').then(({ default: fetch }) => fetch(...args));
+const fetch = (...args) =>
+  import('node-fetch').then(({ default: fetch }) => {
+    const [url, options = {}] = args;
+    return fetch(url, { agent: new http.Agent({ keepAlive: false }), ...options });
+  });
 require('./helper');
 const { ParseGraphQLServer } = require('../lib/GraphQL/ParseGraphQLServer');
 
diff --git a/spec/ParseGraphQLServer.spec.js b/spec/ParseGraphQLServer.spec.js
index e36067afae..07bcd4efdf 100644
--- a/spec/ParseGraphQLServer.spec.js
+++ b/spec/ParseGraphQLServer.spec.js
@@ -1,7 +1,11 @@
 const http = require('http');
 const express = require('express');
 const req = require('../lib/request');
-const fetch = (...args) => import('node-fetch').then(({ default: fetch }) => fetch(...args));
+const fetch = (...args) =>
+  import('node-fetch').then(({ default: fetch }) => {
+    const [url, options = {}] = args;
+    return fetch(url, { agent: new http.Agent({ keepAlive: false }), ...options });
+  });
 const FormData = require('form-data');
 require('./helper');
 const { updateCLP } = require('./support/dev');
diff --git a/spec/vulnerabilities.spec.js b/spec/vulnerabilities.spec.js
index 105333fd0e..e41e4f9120 100644
--- a/spec/vulnerabilities.spec.js
+++ b/spec/vulnerabilities.spec.js
@@ -1,6 +1,10 @@
 const http = require('http');
 const express = require('express');
-const fetch = (...args) => import('node-fetch').then(({ default: fetch }) => fetch(...args));
+const fetch = (...args) =>
+  import('node-fetch').then(({ default: fetch }) => {
+    const [url, options = {}] = args;
+    return fetch(url, { agent: new http.Agent({ keepAlive: false }), ...options });
+  });
 const ws = require('ws');
 const request = require('../lib/request');
 const Config = require('../lib/Config');