diff --git a/.github/workflows/merge.yml b/.github/workflows/merge.yml
index ba549555..a0d77dae 100644
--- a/.github/workflows/merge.yml
+++ b/.github/workflows/merge.yml
@@ -19,7 +19,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-2019, macos-latest, ubuntu-latest]
-        node-version: [14, 16]
+        node-version: [16, 18, 20]
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index ac88b8fa..d82dd775 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -16,7 +16,7 @@ jobs:
         os: [windows-2019, ubuntu-latest, macos-latest]
         # list only the earliest and latest node versions supported
         # this makes PR builds more efficient
-        node-version: [14, 16]
+        node-version: [16, 20]
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
diff --git a/package.json b/package.json
index 6bcdf734..7a8cc7f7 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "host": "https://github.com/jshor/symbology/releases/download/"
   },
   "engines": {
-    "node": ">=14.0.0 <17.0.0"
+    "node": ">=14.0.0 <21.0.0"
   },
   "dependencies": {
     "@mapbox/node-pre-gyp": "^1.0.10",
@@ -119,4 +119,4 @@
     }
   },
   "zintVersion": "89518c4"
-}
\ No newline at end of file
+}
diff --git a/src/binding/main.cpp b/src/binding/main.cpp
index a96375ef..31c8483f 100644
--- a/src/binding/main.cpp
+++ b/src/binding/main.cpp
@@ -22,7 +22,7 @@ namespace symbology {
   /**
    * Returns a bitmap (of type V8 Array) of the image in memory.
    */
-  Local<Object> getBitmap(Isolate* isolate, zint_symbol *symbol) {
+  Local<Object> getBitmap (Isolate* isolate, zint_symbol *symbol) {
     v8::Local<v8::Context> context = isolate->GetCurrentContext();
 
     int matrix_size = symbol->bitmap_width * symbol->bitmap_height * 3;
@@ -39,7 +39,7 @@ namespace symbology {
   /**
    * Renders symbology and returns an object with PNG bitmap data, EPS, or SVG XML.
    */
-  Local<Object> createStreamHandle(Isolate* isolate, zint_symbol *symbol, uint8_t *data, char *str, int rotate_angle) {
+  Local<Object> createStreamHandle (Isolate* isolate, zint_symbol *symbol, uint8_t *data, char *str, int rotate_angle) {
     int status_code;
 
     if ((symbol->output_options & BARCODE_STDOUT) != 0) {
@@ -186,14 +186,13 @@ namespace symbology {
     args.GetReturnValue().Set(obj);
   }
 
-  void Init(v8::Local<v8::Object> exports) {
-    v8::Local<v8::Context> context = exports->CreationContext();
+  void Init (v8::Local<v8::Object> exports) {
+    v8::Local<v8::Context> context = exports->GetCreationContext().ToLocalChecked();
 
     (void)exports->Set(context,
       Nan::New("createStream").ToLocalChecked(),
-      Nan::New<v8::FunctionTemplate>(createStream)
-          ->GetFunction(context)
-          .ToLocalChecked());
+      Nan::New<v8::FunctionTemplate>(createStream)->GetFunction(context).ToLocalChecked()
+    );
   }
 
   NODE_MODULE(symbology, Init);
diff --git a/src/index.ts b/src/index.ts
index ba528b6c..7b10e823 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,10 +1,3 @@
-import SymbologyType from './types/enums/SymbologyType'
-import DataMatrix from './types/enums/DataMatrix'
-import EncodingMode from './types/enums/EncodingMode'
-import OutputOption from './types/enums/OutputOption'
-import OutputType from './types/enums/OutputType'
-import { createStream, createFile } from './main'
-
 export { default as SymbologyType } from './types/enums/SymbologyType'
 export { default as DataMatrix } from './types/enums/DataMatrix'
 export { default as EncodingMode } from './types/enums/EncodingMode'
@@ -13,17 +6,3 @@ export { default as OutputType } from './types/enums/OutputType'
 export { default as SymbologyConfig } from './types/SymbologyConfig'
 export { default as SymbologyResult } from './types/SymbologyResult'
 export { createStream, createFile } from './main'
-
-export default {
-  DataMatrix,
-  EncodingMode,
-  OutputOption,
-  OutputType,
-  SymbologyType,
-  createStream,
-  createFile,
-  /** Legacy support - remove in next major release */
-  Encoding: EncodingMode,
-  Output: OutputOption,
-  Barcode: SymbologyType
-}
diff --git a/src/lib/__tests__/binary.test.ts b/src/lib/__tests__/binary.test.ts
index a5c6c1dd..ccc191d2 100644
--- a/src/lib/__tests__/binary.test.ts
+++ b/src/lib/__tests__/binary.test.ts
@@ -3,6 +3,7 @@ import OutputType from '../../types/enums/OutputType'
 import OutputOption from '../../types/enums/OutputOption'
 import binding from '../../binding'
 import binary from '../binary'
+import SymbologyType from '../../types/enums/SymbologyType'
 
 describe('Binary methods', () => {
   afterEach(() => jest.resetAllMocks())
@@ -143,7 +144,7 @@ describe('Binary methods', () => {
         expect.assertions(1)
 
         await expect(binary.invoke({
-          symbology: 10
+          symbology: 10 as SymbologyType
         }, '12345', OutputType.SVG)).resolves.toEqual({
           ...result,
           message: 'Symbology successfully created.'
@@ -218,7 +219,7 @@ describe('Binary methods', () => {
         expect.assertions(1)
 
         await expect(binary.invoke({
-          symbology: 10
+          symbology: 10 as SymbologyType
         }, '12345', OutputType.SVG)).resolves.toEqual(result)
       })
     })
@@ -241,7 +242,7 @@ describe('Binary methods', () => {
         expect.assertions(1)
 
         await expect(binary.invoke({
-          symbology: 10
+          symbology: 10 as SymbologyType
         }, '12345', OutputType.SVG)).rejects.toEqual(result.message)
       })
     })
diff --git a/test/e2e/transformations.test.ts b/test/e2e/transformations.test.ts
index e1c2b062..13f97bbc 100644
--- a/test/e2e/transformations.test.ts
+++ b/test/e2e/transformations.test.ts
@@ -2,7 +2,7 @@ import OutputType from '../../src/types/enums/OutputType'
 import OutputOption from '../../src/types/enums/OutputOption'
 import SymbologyType from '../../src/types/enums/SymbologyType'
 import { createImageFile } from '../helpers'
-import symbology from '../../src'
+import { createStream } from '../../src'
 
 describe('Symbology Transformations', () => {
   describe('rotations', () => {
@@ -57,7 +57,7 @@ describe('Symbology Transformations', () => {
 
   describe('Scalable Vector Graphics', () => {
     it('should stream an SVG image', async () => {
-      const image = await symbology.createStream({
+      const image = await createStream({
         symbology: SymbologyType.CODE128,
       }, '12345', OutputType.SVG)
 
@@ -75,7 +75,7 @@ describe('Symbology Transformations', () => {
 
   describe('PostScript', () => {
     it('should stream a PostScript image', async () => {
-      const image = await symbology.createStream({
+      const image = await createStream({
         symbology: SymbologyType.CODE128,
       }, '12345', OutputType.EPS)
 
@@ -93,7 +93,7 @@ describe('Symbology Transformations', () => {
 
   describe('Portable Network Graphics', () => {
     it('should stream a base64-encoded image', async () => {
-      const image = await symbology.createStream({
+      const image = await createStream({
         symbology: SymbologyType.CODE128
       }, '12345', OutputType.PNG)
 
diff --git a/test/helpers.ts b/test/helpers.ts
index ed2035d8..0f1622ac 100644
--- a/test/helpers.ts
+++ b/test/helpers.ts
@@ -1,6 +1,6 @@
 import fs from 'fs'
 import path from 'path'
-import symbology from '../src'
+import { createFile } from '../src'
 import OutputType from '../src/types/enums/OutputType'
 import SymbologyConfig from '../src/types/SymbologyConfig'
 
@@ -16,7 +16,7 @@ export async function createImageFile (symbol: SymbologyConfig, ext: OutputType,
   const random = Math.ceil(Math.random() * 10000)
   const fileName = path.join(__dirname, 'e2e/__rendered__', `${random}.${ext}`)
 
-  await symbology.createFile({ ...symbol, fileName }, data)
+  await createFile({ ...symbol, fileName }, data)
 
   return fs.readFileSync(fileName)
 }