diff --git a/package.json b/package.json
index 4074985..ea675c2 100644
--- a/package.json
+++ b/package.json
@@ -1,11 +1,12 @@
 {
   "name": "@uci-utils/type",
-  "version": "0.5.1",
+  "version": "0.6.1",
   "description": "A variable type check and casting utility - extension of typechecker package plus type casting",
-  "main": "src/",
+  "main": "src/index.js",
+  "type": "module",
   "scripts": {
-    "test": "./node_modules/.bin/mocha -r esm --timeout 30000",
-    "testd": "UCI_ENV=dev ./node_modules/.bin/nodemon --exec './node_modules/.bin/mocha -r esm --timeout 30000' || exit 0",
+    "test": "./node_modules/.bin/mocha --timeout 30000",
+    "testd": "UCI_ENV=dev ./node_modules/.bin/nodemon --exec './node_modules/.bin/mocha --timeout 30000' || exit 0",
     "testdd": "UCI_LOG_LEVEL='trace' npm run testd",
     "testde": "UCI_LOG_LEVEL='warn' npm run testd",
     "testl": "UCI_ENV=pro UCI_LOG_PATH=./test/test.log 0 npm run test || exit 0"
@@ -30,13 +31,12 @@
   },
   "homepage": "https://github.com/uCOMmandIt/uci-utils#readme",
   "dependencies": {
-    "@uci-utils/to-boolean": "^0.1.5",
-    "typechecker": "^6.3.0"
+    "@uci-utils/to-boolean": "^0.2.0",
+    "typechecker": "^7.17.0"
   },
   "devDependencies": {
-    "chai": "^4.2.0",
-    "esm": "^3.2.25",
-    "mocha": "^7.1.0",
-    "nodemon": "^2.0.2"
+    "chai": "^4.3.4",
+    "mocha": "^8.3.2",
+    "nodemon": "^2.0.7"
   }
 }
diff --git a/src/index.js b/src/index.js
index ad9f198..7d79991 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,6 +1,6 @@
 // import { cast, typecast, } from './cast'
-import check from  './check'
+import check from  './check.js'
 
-export  * from './cast'
-export { check, typeOf } from './check'
+export  * from './cast.js'
+export { check, typeOf } from './check.js'
 export default check  // default is just the typechecker only
diff --git a/test/cast.test.js b/test/cast.test.js
index 8d42874..fc3142d 100644
--- a/test/cast.test.js
+++ b/test/cast.test.js
@@ -1,5 +1,5 @@
 import  assert from 'assert'
-import { check, typecast, cast, toString, toBoolean }  from '../src'
+import { check, typecast, cast, toString, toBoolean }  from '../src/index.js'
 
 console.log(typecast.boolean)
 console.log(toBoolean)
diff --git a/test/check.test.js b/test/check.test.js
index 2e6200f..0180696 100644
--- a/test/check.test.js
+++ b/test/check.test.js
@@ -1,5 +1,5 @@
 import { expect } from 'chai'
-import u, {typeOf} from '../src'
+import u, {typeOf} from '../src/index.js'
 
 describe('Type Check Library - ', function () {