diff --git a/dist/cjs/test/index.cjs b/dist/cjs/test/index.cjs
index 9c2dcd5..087f6fc 100644
--- a/dist/cjs/test/index.cjs
+++ b/dist/cjs/test/index.cjs
@@ -1,19 +1,19 @@
-'use strict';
+"use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 // @ts-ignore
 const bech32Lib = require("../index.cjs");
 const tape = require("tape");
-const fixtures = require('../../../src/test/fixtures');
+const fixtures = require("../../../src/test/fixtures");
 function testValidFixture(f, bech32) {
     if (f.hex) {
         tape(`fromWords/toWords ${f.hex}`, (t) => {
             t.plan(3);
-            const words = bech32.toWords(Buffer.from(f.hex, 'hex'));
+            const words = bech32.toWords(Buffer.from(f.hex, "hex"));
             const bytes = Buffer.from(bech32.fromWords(f.words));
             const bytes2 = Buffer.from(bech32.fromWordsUnsafe(f.words));
             t.same(words, f.words);
-            t.same(bytes.toString('hex'), f.hex);
-            t.same(bytes2.toString('hex'), f.hex);
+            t.same(bytes.toString("hex"), f.hex);
+            t.same(bytes2.toString("hex"), f.hex);
         });
     }
     tape(`encode ${f.prefix} ${f.hex || f.words}`, (t) => {
@@ -31,13 +31,13 @@ function testValidFixture(f, bech32) {
     });
     tape(`fails for ${f.string} with 1 bit flipped`, (t) => {
         t.plan(2);
-        const buffer = Buffer.from(f.string, 'utf8');
-        buffer[f.string.lastIndexOf('1') + 1] ^= 0x1; // flip a bit, after the prefix
-        const str = buffer.toString('utf8');
+        const buffer = Buffer.from(f.string, "utf8");
+        buffer[f.string.lastIndexOf("1") + 1] ^= 0x1; // flip a bit, after the prefix
+        const str = buffer.toString("utf8");
         t.equal(bech32.decodeUnsafe(str, f.limit), undefined);
         t.throws(() => {
             bech32.decode(str, f.limit);
-        }, new RegExp('Invalid checksum|Unknown character'));
+        }, new RegExp("Invalid checksum|Unknown character"));
     });
     // === compare of objects compares reference in memory, so this works
     const wrongBech32 = bech32 === bech32Lib.bech32 ? bech32Lib.bech32m : bech32Lib.bech32;
@@ -46,7 +46,7 @@ function testValidFixture(f, bech32) {
         t.equal(wrongBech32.decodeUnsafe(f.string, f.limit), undefined);
         t.throws(() => {
             wrongBech32.decode(f.string, f.limit);
-        }, new RegExp('Invalid checksum'));
+        }, new RegExp("Invalid checksum"));
     });
 }
 function testInvalidFixture(f, bech32) {
@@ -59,7 +59,7 @@ function testInvalidFixture(f, bech32) {
         });
     }
     if (f.string !== undefined || f.stringHex) {
-        const str = f.string || Buffer.from(f.stringHex, 'hex').toString('binary');
+        const str = f.string || Buffer.from(f.stringHex, "hex").toString("binary");
         tape(`decode fails for ${str} (${f.exception})`, (t) => {
             t.plan(2);
             t.equal(bech32.decodeUnsafe(str), undefined);
@@ -90,7 +90,7 @@ fixtures.fromWords.invalid.forEach((f) => {
         }, new RegExp(f.exception));
     });
 });
-tape('toWords/toWordsUnsafe accept bytes as ArrayLike<number>', (t) => {
+tape("toWords/toWordsUnsafe accept bytes as ArrayLike<number>", (t) => {
     // Ensures that only the two operations from
     //   interface ArrayLike<T> {
     //     readonly length: number;
diff --git a/package.json b/package.json
index 748f921..4b3e18b 100644
--- a/package.json
+++ b/package.json
@@ -1,64 +1,64 @@
 {
-    "name": "bech32",
-    "version": "2.0.0",
-    "description": "Bech32 encoding / decoding",
-    "type": "module",
-    "keywords": [
-        "base32",
-        "bech32",
-        "bech32m",
-        "bitcoin",
-        "crypto",
-        "crytography",
-        "decode",
-        "decoding",
-        "encode",
-        "encoding"
-    ],
-    "main": "dist/cjs/index.js",
-    "module": "dist/esm/index.js",
-    "types": "dist/index.d.ts",
-    "files": [
-        "dist/cjs/index.js",
-        "dist/cjs/index.d.ts",
-        "dist/esm/index.js"
-    ],
-    "exports": {
-        ".": {
-            "require": "./dist/cjs/index.js",
-            "import": "./dist/esm/index.js",
-            "types": "./dist/cjs/index.d.ts"
-        }
-    },
-    "license": "MIT",
-    "devDependencies": {
-        "@types/node": "^14.0.14",
-        "@types/tape": "^4.13.4",
-        "nyc": "^15.0.0",
-        "prettier": "^2.0.5",
-        "rimraf": "^3.0.2",
-        "tap-dot": "*",
-        "tape": "^5.3.0",
-        "ts-node": "^10.9.2",
-        "tslint": "^6.1.3",
-        "tsx": "^4.7.2",
-        "typescript": "^3.9.5"
-    },
-    "repository": {
-        "url": "http://github.com/bitcoinjs/bech32",
-        "type": "git"
-    },
-    "scripts": {
-        "build": "npm run clean && tsc -p tsconfig.json && tsc -p tsconfig.cjs.json",
-        "postbuild": "find dist/cjs -type f -name \"*.js\" -exec bash -c 'mv \"$0\" \"${0%.js}.cjs\"' {} \\;",
-        "clean": "rimraf dist",
-        "coverage": "nyc -x [src/test/*.ts] --check-coverage --branches 90 --functions 90 npm test",
-        "format": "npm run prettier -- --write",
-        "format:ci": "npm run prettier -- --check",
-        "gitdiff:ci": "npm run build && git diff --exit-code",
-        "lint:fix": "npm run lint -- --fix",
-        "lint": "tslint -p tsconfig.cjs.json -c tslint.json",
-        "prettier": "prettier --print-width 100 --single-quote --trailing-comma=all \"**/!(*.d).ts\"",
-        "test": "tape dist/cjs/test/*.cjs | tap-dot"
+  "name": "bech32",
+  "version": "2.0.0",
+  "description": "Bech32 encoding / decoding",
+  "type": "module",
+  "keywords": [
+    "base32",
+    "bech32",
+    "bech32m",
+    "bitcoin",
+    "crypto",
+    "crytography",
+    "decode",
+    "decoding",
+    "encode",
+    "encoding"
+  ],
+  "main": "dist/cjs/index.cjs",
+  "module": "dist/esm/index.js",
+  "types": "dist/index.d.ts",
+  "files": [
+    "dist/cjs/index.cjs",
+    "dist/cjs/index.d.ts",
+    "dist/esm/index.js"
+  ],
+  "exports": {
+    ".": {
+      "require": "./dist/cjs/index.cjs",
+      "import": "./dist/esm/index.js",
+      "types": "./dist/cjs/index.d.ts"
     }
+  },
+  "license": "MIT",
+  "devDependencies": {
+    "@types/node": "^14.0.14",
+    "@types/tape": "^4.13.4",
+    "nyc": "^15.0.0",
+    "prettier": "^2.0.5",
+    "rimraf": "^3.0.2",
+    "tap-dot": "*",
+    "tape": "^5.3.0",
+    "ts-node": "^10.9.2",
+    "tslint": "^6.1.3",
+    "tsx": "^4.7.2",
+    "typescript": "^3.9.5"
+  },
+  "repository": {
+    "url": "http://github.com/bitcoinjs/bech32",
+    "type": "git"
+  },
+  "scripts": {
+    "build": "npm run clean && tsc -p tsconfig.json && tsc -p tsconfig.cjs.json",
+    "postbuild": "find dist/cjs -type f -name \"*.js\" -exec bash -c 'mv \"$0\" \"${0%.js}.cjs\"' {} \\;",
+    "clean": "rimraf dist",
+    "coverage": "nyc -x [dist/cjs/test/*.ts] --check-coverage --branches 90 --functions 90 npm test",
+    "format": "npm run prettier -- --write",
+    "format:ci": "npm run prettier -- --check",
+    "gitdiff:ci": "npm run build && git diff --exit-code",
+    "lint:fix": "npm run lint -- --fix",
+    "lint": "tslint -p tsconfig.cjs.json -c tslint.json",
+    "prettier": "prettier --print-width 100 --single-quote --trailing-comma=all \"**/!(*.d).ts\"",
+    "test": "tape dist/cjs/test/*.cjs | tap-dot"
+  }
 }
diff --git a/tsconfig.base.json b/tsconfig.base.json
index 0d939e5..045411c 100644
--- a/tsconfig.base.json
+++ b/tsconfig.base.json
@@ -1,11 +1,12 @@
 {
-    "compilerOptions": {
-        "strict": true,
-        "resolveJsonModule": true,
-        "target": "es2015",
-        "moduleResolution": "node",
-        "noImplicitAny": true,
-        "preserveConstEnums": true
-    },
-    "include": ["src"]
+  "compilerOptions": {
+    "strict": true,
+    "resolveJsonModule": true,
+    "target": "es2015",
+    "moduleResolution": "node",
+    "noImplicitAny": true,
+    "preserveConstEnums": true
+  },
+  "include": ["src"],
+  "exclude": ["node_modules"]
 }
diff --git a/tsconfig.cjs.json b/tsconfig.cjs.json
index 1f967c3..c2e3ddd 100644
--- a/tsconfig.cjs.json
+++ b/tsconfig.cjs.json
@@ -1,10 +1,9 @@
 {
-    "extends": "./tsconfig.base.json",
-    "compilerOptions": {
-        "declaration": true,
-        "emitDeclarationOnly": false,
-        "outDir": "dist/cjs",
-        "module": "commonjs"
-    },
-    "exclude": ["node_modules"]
+  "extends": "./tsconfig.base.json",
+  "compilerOptions": {
+    "declaration": true,
+    "emitDeclarationOnly": false,
+    "outDir": "dist/cjs",
+    "module": "commonjs"
+  }
 }
diff --git a/tsconfig.json b/tsconfig.json
index d697636..46edf16 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -6,5 +6,5 @@
     "resolveJsonModule": true,
     "module": "ESNext"
   },
-  "exclude": ["node_modules", "src/test/**/*"]
+  "exclude": ["src/test/**/*"]
 }
diff --git a/tslint.json b/tslint.json
index c5fa3c2..b542cf1 100644
--- a/tslint.json
+++ b/tslint.json
@@ -4,11 +4,7 @@
   "rules": {
     "arrow-parens": [true, "ban-single-arg-parens"],
     "curly": false,
-    "indent": [
-      true,
-      "spaces",
-      2
-    ],
+    "indent": [true, "spaces", 2],
     "interface-name": [false],
     "match-default-export-name": true,
     "max-classes-per-file": [false],