diff --git a/benchmark/querystring/querystring-stringify.js b/benchmark/querystring/querystring-stringify.js
index cd1debd4df622d..9f025c922ad4e8 100644
--- a/benchmark/querystring/querystring-stringify.js
+++ b/benchmark/querystring/querystring-stringify.js
@@ -17,7 +17,7 @@ function main({ type, n }) {
     encodemany: {
       '\u0080\u0083\u0089': 'bar',
       '\u008C\u008E\u0099': 'quux',
-      xyzzy: '\u00A5q\u00A3r'
+      'xyzzy': '\u00A5q\u00A3r'
     },
     encodelast: {
       foo: 'bar',
diff --git a/lib/internal/loader/DefaultResolve.js b/lib/internal/loader/DefaultResolve.js
index d815be87dd8954..bd99f31e54c599 100644
--- a/lib/internal/loader/DefaultResolve.js
+++ b/lib/internal/loader/DefaultResolve.js
@@ -40,7 +40,7 @@ function search(target, base) {
 }
 
 const extensionFormatMap = {
-  __proto__: null,
+  '__proto__': null,
   '.mjs': 'esm',
   '.json': 'json',
   '.node': 'addon',
diff --git a/test/doctool/test-doctool-json.js b/test/doctool/test-doctool-json.js
index 1be086c3a6a7ea..993050924a326c 100644
--- a/test/doctool/test-doctool-json.js
+++ b/test/doctool/test-doctool-json.js
@@ -102,9 +102,9 @@ const testData = [
               meta: {
                 added: ['v5.3.0', 'v4.2.0'],
                 changes: [
-                  { version: 'v4.2.0',
+                  { 'version': 'v4.2.0',
                     'pr-url': 'https://github.com/nodejs/node/pull/3276',
-                    description: 'The `error` parameter can now be ' +
+                    'description': 'The `error` parameter can now be ' +
                       'an arrow function.'
                   }
                 ]
diff --git a/test/parallel/test-http-client-headers-array.js b/test/parallel/test-http-client-headers-array.js
index dffe04bb108401..c637de61c012b5 100644
--- a/test/parallel/test-http-client-headers-array.js
+++ b/test/parallel/test-http-client-headers-array.js
@@ -9,8 +9,8 @@ function execute(options) {
   http.createServer(function(req, res) {
     const expectHeaders = {
       'x-foo': 'boom',
-      cookie: 'a=1; b=2; c=3',
-      connection: 'close'
+      'cookie': 'a=1; b=2; c=3',
+      'connection': 'close'
     };
 
     // no Host header when you set headers an array
diff --git a/test/parallel/test-http-raw-headers.js b/test/parallel/test-http-raw-headers.js
index eb3f7280f89100..8ce20db351302c 100644
--- a/test/parallel/test-http-raw-headers.js
+++ b/test/parallel/test-http-raw-headers.js
@@ -37,10 +37,10 @@ http.createServer(function(req, res) {
     'close'
   ];
   const expectHeaders = {
-    host: `localhost:${this.address().port}`,
+    'host': `localhost:${this.address().port}`,
     'transfer-encoding': 'CHUNKED',
     'x-bar': 'yoyoyo',
-    connection: 'close'
+    'connection': 'close'
   };
   const expectRawTrailers = [
     'x-bAr',
@@ -96,9 +96,9 @@ http.createServer(function(req, res) {
       'chunked'
     ];
     const expectHeaders = {
-      trailer: 'x-foo',
-      date: null,
-      connection: 'close',
+      'trailer': 'x-foo',
+      'date': null,
+      'connection': 'close',
       'transfer-encoding': 'chunked'
     };
     res.rawHeaders[3] = null;
diff --git a/test/parallel/test-http2-compat-expect-continue-check.js b/test/parallel/test-http2-compat-expect-continue-check.js
index 6aded8b52935c1..4f2514a44a4f9e 100644
--- a/test/parallel/test-http2-compat-expect-continue-check.js
+++ b/test/parallel/test-http2-compat-expect-continue-check.js
@@ -33,7 +33,7 @@ server.listen(0, common.mustCall(() => {
   const client = http2.connect(`http://localhost:${server.address().port}`);
   const req = client.request({
     ':method': 'POST',
-    expect: '100-continue'
+    'expect': '100-continue'
   });
 
   let gotContinue = false;
diff --git a/test/parallel/test-http2-compat-expect-continue.js b/test/parallel/test-http2-compat-expect-continue.js
index 42fa80ae4e8620..cb90e51f3bc9d7 100644
--- a/test/parallel/test-http2-compat-expect-continue.js
+++ b/test/parallel/test-http2-compat-expect-continue.js
@@ -29,7 +29,7 @@ server.on('listening', common.mustCall(() => {
   const client = http2.connect(`http://localhost:${server.address().port}`);
   const req = client.request({
     ':method': 'POST',
-    expect: '100-continue'
+    'expect': '100-continue'
   });
 
   let gotContinue = false;
diff --git a/test/parallel/test-http2-compat-expect-handling.js b/test/parallel/test-http2-compat-expect-handling.js
index e987118476337d..77f22758345cff 100644
--- a/test/parallel/test-http2-compat-expect-handling.js
+++ b/test/parallel/test-http2-compat-expect-handling.js
@@ -30,7 +30,7 @@ function nextTest(testsToRun) {
     ':method': 'GET',
     ':scheme': 'http',
     ':authority': `localhost:${port}`,
-    expect: expectValue
+    'expect': expectValue
   });
 
   req.on('response', common.mustCall((headers) => {
diff --git a/test/parallel/test-http2-cookies.js b/test/parallel/test-http2-cookies.js
index cf763915389287..8b371d8c4263cb 100644
--- a/test/parallel/test-http2-cookies.js
+++ b/test/parallel/test-http2-cookies.js
@@ -41,8 +41,8 @@ server.on('listening', common.mustCall(() => {
 
   const req = client.request({
     ':path': '/',
-    abc: [1, 2, 3],
-    cookie: ['a=b', 'c=d', 'e=f'],
+    'abc': [1, 2, 3],
+    'cookie': ['a=b', 'c=d', 'e=f'],
   });
   req.resume();
 
diff --git a/test/parallel/test-http2-server-rst-before-respond.js b/test/parallel/test-http2-server-rst-before-respond.js
index 74181f4ffa0bbe..c2831d33079616 100644
--- a/test/parallel/test-http2-server-rst-before-respond.js
+++ b/test/parallel/test-http2-server-rst-before-respond.js
@@ -17,7 +17,7 @@ function onStream(stream, headers, flags) {
   common.expectsError(() => {
     stream.additionalHeaders({
       ':status': 123,
-      abc: 123
+      'abc': 123
     });
   }, { code: 'ERR_HTTP2_INVALID_STREAM' });
 }
diff --git a/test/parallel/test-http2-server-rst-stream.js b/test/parallel/test-http2-server-rst-stream.js
index 4a58091aa61d7f..d19704509a5e5f 100644
--- a/test/parallel/test-http2-server-rst-stream.js
+++ b/test/parallel/test-http2-server-rst-stream.js
@@ -40,7 +40,7 @@ server.listen(0, common.mustCall(() => {
   tests.forEach((test) => {
     const req = client.request({
       ':method': 'POST',
-      rstcode: test[0]
+      'rstcode': test[0]
     });
     req.on('close', common.mustCall((code) => {
       assert.strictEqual(code, test[0]);
diff --git a/test/parallel/test-querystring.js b/test/parallel/test-querystring.js
index 76049584dbe458..5b314fd661d75b 100644
--- a/test/parallel/test-querystring.js
+++ b/test/parallel/test-querystring.js
@@ -75,8 +75,8 @@ const qsTestCases = [
   ['foo&bar=baz', 'foo=&bar=baz', { foo: '', bar: 'baz' }],
   ['a=b&c&d=e', 'a=b&c=&d=e', { a: 'b', c: '', d: 'e' }],
   ['a=b&c=&d=e', 'a=b&c=&d=e', { a: 'b', c: '', d: 'e' }],
-  ['a=b&=c&d=e', 'a=b&=c&d=e', { a: 'b', '': 'c', d: 'e' }],
-  ['a=b&=&c=d', 'a=b&=&c=d', { a: 'b', '': '', c: 'd' }],
+  ['a=b&=c&d=e', 'a=b&=c&d=e', { 'a': 'b', '': 'c', 'd': 'e' }],
+  ['a=b&=&c=d', 'a=b&=&c=d', { 'a': 'b', '': '', 'c': 'd' }],
   ['&&foo=bar&&', 'foo=bar', { foo: 'bar' }],
   ['&', '', {}],
   ['&&&&', '', {}],
diff --git a/test/parallel/test-vm-module-link.js b/test/parallel/test-vm-module-link.js
index 843c1fdc517787..d9ee8e7767f43a 100644
--- a/test/parallel/test-vm-module-link.js
+++ b/test/parallel/test-vm-module-link.js
@@ -88,7 +88,7 @@ async function circular() {
 
 async function circular2() {
   const sourceMap = {
-    root: `
+    'root': `
       import * as a from './a.mjs';
       import * as b from './b.mjs';
       if (!('fromA' in a))
diff --git a/tools/eslint-rules/no-unescaped-regexp-dot.js b/tools/eslint-rules/no-unescaped-regexp-dot.js
index d0c575071297fb..3af514d4bb91a9 100644
--- a/tools/eslint-rules/no-unescaped-regexp-dot.js
+++ b/tools/eslint-rules/no-unescaped-regexp-dot.js
@@ -120,10 +120,10 @@ module.exports = function(context) {
   }
 
   return {
-    TemplateLiteral: checkLiteral,
-    Literal: checkLiteral,
-    CallExpression: checkRegExpStart,
-    NewExpression: checkRegExpStart,
+    'TemplateLiteral': checkLiteral,
+    'Literal': checkLiteral,
+    'CallExpression': checkRegExpStart,
+    'NewExpression': checkRegExpStart,
     'CallExpression:exit': checkRegExpEnd,
     'NewExpression:exit': checkRegExpEnd
   };