diff --git a/src/bin-fix-mismatches.ts b/src/bin-fix-mismatches.ts
index f26861e7..ec95d2a4 100644
--- a/src/bin-fix-mismatches.ts
+++ b/src/bin-fix-mismatches.ts
@@ -1,7 +1,7 @@
 #!/usr/bin/env node
 
 import chalk from 'chalk';
-import program = require('commander');
+import * as program from 'commander';
 import { run } from './fix-mismatches';
 
 program.description(
diff --git a/src/bin-format.ts b/src/bin-format.ts
index dd45b8fb..afc63769 100644
--- a/src/bin-format.ts
+++ b/src/bin-format.ts
@@ -1,7 +1,7 @@
 #!/usr/bin/env node
 
 import chalk from 'chalk';
-import program = require('commander');
+import * as program from 'commander';
 import { run } from './format';
 
 program.description(
diff --git a/src/bin-list-mismatches.ts b/src/bin-list-mismatches.ts
index e168c51f..75164a04 100644
--- a/src/bin-list-mismatches.ts
+++ b/src/bin-list-mismatches.ts
@@ -1,7 +1,7 @@
 #!/usr/bin/env node
 
 import chalk from 'chalk';
-import program = require('commander');
+import * as program from 'commander';
 import { run } from './list-mismatches';
 
 program.description(
diff --git a/src/bin-list.ts b/src/bin-list.ts
index ce9c7c94..5f210cb6 100644
--- a/src/bin-list.ts
+++ b/src/bin-list.ts
@@ -1,7 +1,7 @@
 #!/usr/bin/env node
 
 import chalk from 'chalk';
-import program = require('commander');
+import * as program from 'commander';
 import { run } from './list';
 
 program.description(
diff --git a/src/bin-set-semver-ranges.ts b/src/bin-set-semver-ranges.ts
index 47444674..92a0a86d 100644
--- a/src/bin-set-semver-ranges.ts
+++ b/src/bin-set-semver-ranges.ts
@@ -1,7 +1,7 @@
 #!/usr/bin/env node
 
 import chalk from 'chalk';
-import program = require('commander');
+import * as program from 'commander';
 import { run } from './set-semver-ranges';
 
 program.description(
diff --git a/src/bin.ts b/src/bin.ts
index b0417dd2..a9dd213d 100644
--- a/src/bin.ts
+++ b/src/bin.ts
@@ -1,6 +1,6 @@
 #!/usr/bin/env node
 
-import program = require('commander');
+import * as program from 'commander';
 import { run } from './syncpack';
 
 run(program);
diff --git a/src/fix-mismatches.ts b/src/fix-mismatches.ts
index 56617834..0460dd41 100644
--- a/src/fix-mismatches.ts
+++ b/src/fix-mismatches.ts
@@ -1,6 +1,6 @@
 import chalk from 'chalk';
 import { writeJson } from 'fs-extra';
-import _ = require('lodash');
+import * as _ from 'lodash';
 import { relative } from 'path';
 import {
   OPTION_INDENT,
diff --git a/src/format.ts b/src/format.ts
index 20e1627d..c6a363ea 100644
--- a/src/format.ts
+++ b/src/format.ts
@@ -1,6 +1,6 @@
 import chalk from 'chalk';
 import { writeJson } from 'fs-extra';
-import _ = require('lodash');
+import * as _ from 'lodash';
 import { relative } from 'path';
 import {
   OPTION_INDENT,
diff --git a/src/lib/version.spec.ts b/src/lib/version.spec.ts
index daa49808..30849d50 100644
--- a/src/lib/version.spec.ts
+++ b/src/lib/version.spec.ts
@@ -1,4 +1,4 @@
-import _ = require('lodash');
+import * as _ from 'lodash';
 import { getNewest, getVersionRange, sortBySemver } from './version';
 
 describe('getNewest', () => {
diff --git a/src/lib/version.ts b/src/lib/version.ts
index 58401601..47d8dab9 100644
--- a/src/lib/version.ts
+++ b/src/lib/version.ts
@@ -1,5 +1,5 @@
-import _ = require('lodash');
-import semver = require('semver');
+import * as _ from 'lodash';
+import * as semver from 'semver';
 import { GREATER, LESSER, SAME, SEMVER_ORDER } from '../constants';
 
 const isSemver = (version: string) =>
diff --git a/src/list-mismatches.ts b/src/list-mismatches.ts
index 471cbc60..5da8cd17 100644
--- a/src/list-mismatches.ts
+++ b/src/list-mismatches.ts
@@ -1,5 +1,5 @@
 import chalk from 'chalk';
-import _ = require('lodash');
+import * as _ from 'lodash';
 import {
   OPTION_SOURCES,
   OPTIONS_DEV,
diff --git a/src/list.ts b/src/list.ts
index 838cfe64..f1925228 100644
--- a/src/list.ts
+++ b/src/list.ts
@@ -1,5 +1,5 @@
 import chalk from 'chalk';
-import _ = require('lodash');
+import * as _ from 'lodash';
 import {
   OPTION_SOURCES,
   OPTIONS_DEV,
diff --git a/src/set-semver-ranges.ts b/src/set-semver-ranges.ts
index 89d809e0..f0a95648 100644
--- a/src/set-semver-ranges.ts
+++ b/src/set-semver-ranges.ts
@@ -1,8 +1,8 @@
 import chalk from 'chalk';
 import { writeJson } from 'fs-extra';
-import _ = require('lodash');
+import * as _ from 'lodash';
 import { relative } from 'path';
-import semver = require('semver');
+import * as semver from 'semver';
 import {
   OPTION_INDENT,
   OPTION_SEMVER_RANGE,
diff --git a/test/helpers.ts b/test/helpers.ts
index a68b2a25..15944440 100644
--- a/test/helpers.ts
+++ b/test/helpers.ts
@@ -1,5 +1,5 @@
 import { readJsonSync } from 'fs-extra';
-import _ = require('lodash');
+import * as _ from 'lodash';
 import { CommanderApi } from '../src/typings';
 
 const shuffle = (value: any): typeof value =>