diff --git a/package.json b/package.json
index 98e19de..40edd20 100644
--- a/package.json
+++ b/package.json
@@ -1,11 +1,12 @@
 {
   "name": "@uci-utils/read-lines",
-  "version": "0.2.2",
+  "version": "0.3.0",
   "description": "Functions to read and write lines from/to a file into/from an Array (asynchronously)",
   "main": "src/read-lines.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"
@@ -28,14 +29,14 @@
   },
   "homepage": "https://github.com/uCOMmandIt/uci-utils#readme",
   "dependencies": {
-    "@uci-utils/logger": "^0.0.15",
-    "p-settle": "^3.1.0"
+    "@uci-utils/logger": "^0.1.0",
+    "p-settle": "^4.1.1"
   },
   "devDependencies": {
-    "chai": "^4.2.0",
-    "chai-arrays": "^2.0.0",
-    "esm": "^3.2.25",
-    "mocha": "^6.2.0",
-    "nodemon": "^1.19.1"
+    "chai": "^4.3.4",
+    "chai-arrays": "^2.2.0",
+    "dirname-filename-esm": "^1.0.2",
+    "mocha": "^8.3.2",
+    "nodemon": "^2.0.7"
   }
 }
diff --git a/src/read-lines.js b/src/read-lines.js
index a71063b..c7e005f 100644
--- a/src/read-lines.js
+++ b/src/read-lines.js
@@ -5,14 +5,13 @@ const read = promisify(readFile)
 const write = promisify(writeFile)
 import settle from 'p-settle'
 import logger from '@uci-utils/logger'
-let log = logger({ package:'@cui/sync', file:'src/read-lines.js'})
+let log = logger({ package:'@uci-utils/read-lines', file:'src/read-lines.js'})
 
-// A promise helper function to return a list of paths to ignore from .npmignore, .gitignore, .rcignore
+// read lines from one or more files
 function readLines (files=[],dir) {
-  // console.log('additional files', files)
+  log.debug({files:files,dir:dir,msg:'additional files'})
   let list = []
   if (!Array.isArray(files)) files=[files]
-
   // each set in an the array is new line delimited set of ignore patterns
   // settle returns array of error,value pairs
   return settle(files.map(file => {
diff --git a/test/read-lines.test.js b/test/read-lines.test.js
index 0c24618..4e34ad7 100644
--- a/test/read-lines.test.js
+++ b/test/read-lines.test.js
@@ -1,9 +1,11 @@
 // let ignoreFiles = ['.npmignore','.gitignore']
 
-import { readLines, writeLines }  from '../src/read-lines'
+import { readLines, writeLines }  from '../src/read-lines.js'
 import chai from 'chai'
 import assertArrays from 'chai-arrays'
 import { it } from 'mocha'
+import { dirname } from 'dirname-filename-esm';
+const __dirname = dirname(import.meta);
 
 chai.use(assertArrays)
 const expect = chai.expect