diff --git a/.eslintrc.yml b/.eslintrc.yml
index 927262197..e20b2b87f 100644
--- a/.eslintrc.yml
+++ b/.eslintrc.yml
@@ -35,4 +35,5 @@ rules:
     - error
     - never
     - exceptRange: true
+  unicorn/new-for-builtins: error
   unicorn/prefer-includes: error
diff --git a/scripts/build/build.js b/scripts/build/build.js
index e775029fb..e99f2ef9f 100644
--- a/scripts/build/build.js
+++ b/scripts/build/build.js
@@ -29,7 +29,7 @@ function fitTerminal(input) {
   const columns = Math.min(process.stdout.columns || 40, 80);
   const WIDTH = columns - stringWidth(OK) + 1;
   if (input.length < WIDTH) {
-    input += Array(WIDTH - input.length).join(chalk.dim("."));
+    input += new Array(WIDTH - input.length).join(chalk.dim("."));
   }
   return input;
 }
diff --git a/scripts/release/steps/check-git-status.js b/scripts/release/steps/check-git-status.js
index 779addb83..94f27da3c 100644
--- a/scripts/release/steps/check-git-status.js
+++ b/scripts/release/steps/check-git-status.js
@@ -6,7 +6,7 @@ module.exports = async function() {
   const status = await execa.stdout("git", ["status", "--porcelain"]);
 
   if (status) {
-    throw Error(
+    throw new Error(
       "Uncommitted local changes. " +
         "Please revert or commit all local changes before making a release."
     );
diff --git a/scripts/release/steps/generate-bundles.js b/scripts/release/steps/generate-bundles.js
index 2b96073b7..16051f512 100644
--- a/scripts/release/steps/generate-bundles.js
+++ b/scripts/release/steps/generate-bundles.js
@@ -8,7 +8,7 @@ module.exports = async function({ version }) {
 
   const builtPkg = await readJson("dist/package.json");
   if (builtPkg.version !== version) {
-    throw Error(
+    throw new Error(
       `Expected ${version} in dist/package.json but found ${builtPkg.version}`
     );
   }
diff --git a/scripts/release/steps/install-dependencies.js b/scripts/release/steps/install-dependencies.js
index 07c5be28d..89453c081 100644
--- a/scripts/release/steps/install-dependencies.js
+++ b/scripts/release/steps/install-dependencies.js
@@ -9,7 +9,7 @@ async function install() {
 
   const status = await execa.stdout("git", ["ls-files", "-m"]);
   if (status) {
-    throw Error(
+    throw new Error(
       "The lockfile needs to be updated, commit it before making the release."
     );
   }
diff --git a/scripts/release/steps/update-changelog.js b/scripts/release/steps/update-changelog.js
index d45d5b1b1..b0a61210e 100644
--- a/scripts/release/steps/update-changelog.js
+++ b/scripts/release/steps/update-changelog.js
@@ -10,8 +10,8 @@ const { waitForEnter } = require("../utils");
 function getBlogPostInfo(version) {
   const date = new Date();
   const year = date.getFullYear();
-  const month = new String(date.getMonth() + 1).padStart(2, "0");
-  const day = new String(date.getDate()).padStart(2, "0");
+  const month = String(date.getMonth() + 1).padStart(2, "0");
+  const day = String(date.getDate()).padStart(2, "0");
 
   return {
     file: `website/blog/${year}-${month}-${day}-${version}.md`,
diff --git a/scripts/release/steps/validate-new-version.js b/scripts/release/steps/validate-new-version.js
index 3f529c0be..65b5323bf 100644
--- a/scripts/release/steps/validate-new-version.js
+++ b/scripts/release/steps/validate-new-version.js
@@ -5,10 +5,12 @@ const semver = require("semver");
 
 module.exports = async function({ version, previousVersion }) {
   if (!semver.valid(version)) {
-    throw Error(`Invalid version specified`);
+    throw new Error(`Invalid version specified`);
   }
 
   if (!semver.gt(version, previousVersion)) {
-    throw Error(`Version ${chalk.yellow(version)} has already been published`);
+    throw new Error(
+      `Version ${chalk.yellow(version)} has already been published`
+    );
   }
 };
diff --git a/scripts/release/utils.js b/scripts/release/utils.js
index 55a7d940d..833c4aa90 100644
--- a/scripts/release/utils.js
+++ b/scripts/release/utils.js
@@ -14,7 +14,7 @@ function fitTerminal(input) {
   const columns = Math.min(process.stdout.columns, 80);
   const WIDTH = columns - stringWidth(OK) + 1;
   if (input.length < WIDTH) {
-    input += Array(WIDTH - input.length).join(chalk.dim("."));
+    input += new Array(WIDTH - input.length).join(chalk.dim("."));
   }
   return input;
 }
@@ -38,7 +38,7 @@ function runYarn(script) {
     script = [script];
   }
   return execa("yarn", ["--silent"].concat(script)).catch(error => {
-    throw Error(`\`yarn ${script}\` failed\n${error.stdout}`);
+    throw new Error(`\`yarn ${script}\` failed\n${error.stdout}`);
   });
 }
 
@@ -56,7 +56,7 @@ function waitForEnter() {
         process.stdin.pause();
         resolve();
       } else if (key.ctrl && key.name === "c") {
-        reject(Error("Process terminated by the user"));
+        reject(new Error("Process terminated by the user"));
       }
     }
   });
diff --git a/src/language-css/printer-postcss.js b/src/language-css/printer-postcss.js
index 722311ed8..8b3f7f7c0 100644
--- a/src/language-css/printer-postcss.js
+++ b/src/language-css/printer-postcss.js
@@ -907,7 +907,7 @@ const STRING_REGEX = /(['"])(?:(?!\1)[^\\]|\\[\s\S])*\1/g;
 const NUMBER_REGEX = /(?:\d*\.\d+|\d+\.?)(?:[eE][+-]?\d+)?/g;
 const STANDARD_UNIT_REGEX = /[a-zA-Z]+/g;
 const WORD_PART_REGEX = /[$@]?[a-zA-Z_\u0080-\uFFFF][\w\-\u0080-\uFFFF]*/g;
-const ADJUST_NUMBERS_REGEX = RegExp(
+const ADJUST_NUMBERS_REGEX = new RegExp(
   STRING_REGEX.source +
     `|` +
     `(${WORD_PART_REGEX.source})?` +
diff --git a/src/language-js/embed.js b/src/language-js/embed.js
index 0e5454648..f556ebc4b 100644
--- a/src/language-js/embed.js
+++ b/src/language-js/embed.js
@@ -615,7 +615,7 @@ function printHtmlTemplateLiteral(
     return "``";
   }
 
-  const placeholderRegex = RegExp(composePlaceholder("(\\d+)"), "g");
+  const placeholderRegex = new RegExp(composePlaceholder("(\\d+)"), "g");
 
   const contentDoc = mapDoc(
     stripTrailingHardline(textToDoc(text, { parser })),
diff --git a/website/playground/markdown.js b/website/playground/markdown.js
index 4f469754f..b1bf85320 100644
--- a/website/playground/markdown.js
+++ b/website/playground/markdown.js
@@ -72,7 +72,7 @@ function codeBlock(content, syntax) {
     backtickSequences.map(backticks => backticks.length)
   );
   const fenceLength = Math.max(3, longestBacktickSequenceLength + 1);
-  const fence = Array(fenceLength + 1).join("`");
+  const fence = new Array(fenceLength + 1).join("`");
   return [fence + (syntax || ""), content, fence].join("\n");
 }