diff --git a/package.json b/package.json
index 9012947a..68985dbb 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "@types/node": "^10.3.0",
     "@types/wrap-ansi": "^3.0.0",
     "chai": "^4.1.2",
-    "fancy-test": "^1.1.0",
+    "fancy-test": "^1.1.1",
     "globby": "^8.0.1",
     "lodash": "^4.17.10",
     "mocha": "^5.2.0",
diff --git a/src/config.ts b/src/config.ts
index 0cbb6c5a..6c1df900 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -1,7 +1,7 @@
 import {CLIError, error, exit, warn} from '@oclif/errors'
-import Lodash from 'lodash'
-import os from 'os'
-import path from 'path'
+import * as Lodash from 'lodash'
+import * as os from 'os'
+import * as path from 'path'
 import {URL} from 'url'
 import {format} from 'util'
 
diff --git a/src/ts_node.ts b/src/ts_node.ts
index 9d1723d3..b07cdf7c 100644
--- a/src/ts_node.ts
+++ b/src/ts_node.ts
@@ -1,6 +1,6 @@
-import fs from 'fs'
-import path from 'path'
-import TSNode from 'ts-node'
+import * as fs from 'fs'
+import * as path from 'path'
+import * as TSNode from 'ts-node'
 
 import Debug from './debug'
 import {loadJSONSync} from './util'
diff --git a/src/util.ts b/src/util.ts
index 25ec04b0..50ee3bc1 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -1,5 +1,5 @@
 // tslint:disable no-implicit-dependencies
-import fs from 'fs'
+import * as fs from 'fs'
 
 const debug = require('debug')('@oclif/config')
 
diff --git a/test/config.test.ts b/test/config.test.ts
index 9db7f8f5..77aa92d8 100644
--- a/test/config.test.ts
+++ b/test/config.test.ts
@@ -1,5 +1,5 @@
-import os from 'os'
-import path from 'path'
+import * as os from 'os'
+import * as path from 'path'
 
 import {IConfig, load, PJSON} from '../src'
 
diff --git a/test/typescript.test.ts b/test/typescript.test.ts
index 41a4ac5b..0c83048c 100644
--- a/test/typescript.test.ts
+++ b/test/typescript.test.ts
@@ -1,4 +1,4 @@
-import path from 'path'
+import * as path from 'path'
 
 import * as Config from '../src'
 
diff --git a/tsconfig.json b/tsconfig.json
index 44e6136c..c8a673e2 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -5,8 +5,6 @@
     "importHelpers": true,
     "module": "commonjs",
     "outDir": "./lib",
-    "esModuleInterop": true,
-    "resolveJsonModule": true,
     "rootDirs": [
       "./src"
     ],
diff --git a/yarn.lock b/yarn.lock
index e971df78..1ffbcd63 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -435,9 +435,9 @@ extglob@^2.0.2:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
-fancy-test@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/fancy-test/-/fancy-test-1.1.0.tgz#c6bd432c9f816cc6fb048bb98c9a57f1fa517074"
+fancy-test@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/fancy-test/-/fancy-test-1.1.1.tgz#22517244313345eb603730587feb1487d460b379"
   dependencies:
     "@types/chai" "^4.1.3"
     "@types/lodash" "^4.14.109"