diff --git a/cli/package-lock.json b/cli/package-lock.json
index bd3c17ca..407a1a0b 100644
--- a/cli/package-lock.json
+++ b/cli/package-lock.json
@@ -89,9 +89,9 @@
       "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA=="
     },
     "commander": {
-      "version": "6.2.1",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-6.2.1.tgz",
-      "integrity": "sha512-U7VdrJFnJgo4xjrHpTzu0yrHPGImdsmD95ZlgYSEajAn2JKzDhDTPG9kBTefmObL2w/ngeZnilk+OV9CG3d7UA=="
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-7.2.0.tgz",
+      "integrity": "sha512-QrWXB+ZQSVPmIWIhtEO9H+gwHaMGYiF5ChvoJ+K9ZGHG/sVsa6yiesAD1GC/x46sET00Xlwo1u49RVVVzvcSkw=="
     },
     "defaults": {
       "version": "1.0.3",
diff --git a/cli/package.json b/cli/package.json
index 8c1cf606..44bf1341 100644
--- a/cli/package.json
+++ b/cli/package.json
@@ -16,7 +16,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@squoosh/api": "0.1.0",
-    "commander": "^6.2.1",
+    "commander": "^7.2.0",
     "json5": "^2.2.0",
     "kleur": "^4.1.4",
     "ora": "^5.4.0"
diff --git a/cli/src/index.js b/cli/src/index.js
index b58d64ff..26651120 100755
--- a/cli/src/index.js
+++ b/cli/src/index.js
@@ -1,6 +1,6 @@
 #!/usr/bin/env node
 
-import { program } from 'commander';
+import { program } from 'commander/esm.mjs';
 import JSON5 from 'json5';
 import path from 'path';
 import { promises as fsp } from 'fs';
@@ -112,7 +112,7 @@ async function processFiles(files) {
   progress.setProgress(0, files.length);
 
   // Create output directory
-  await fsp.mkdir(program.outputDir, { recursive: true });
+  await fsp.mkdir(program.opts().outputDir, { recursive: true });
 
   let decoded = 0;
   let decodedFiles = await Promise.all(
@@ -132,10 +132,10 @@ async function processFiles(files) {
   const preprocessOptions = {};
 
   for (const preprocessorName of Object.keys(preprocessors)) {
-    if (!program[preprocessorName]) {
+    if (!program.opts()[preprocessorName]) {
       continue;
     }
-    preprocessOptions[preprocessorName] = JSON5.parse(program[preprocessorName]);
+    preprocessOptions[preprocessorName] = JSON5.parse(program.opts()[preprocessorName]);
   }
 
   for(const image of decodedFiles){
@@ -155,14 +155,14 @@ async function processFiles(files) {
     const originalFile = results.get(image).file;
 
     const encodeOptions = {
-      optimizerButteraugliTarget: Number(program.optimizerButteraugliTarget),
-      maxOptimizerRounds: Number(program.maxOptimizerRounds),
+      optimizerButteraugliTarget: Number(program.opts().optimizerButteraugliTarget),
+      maxOptimizerRounds: Number(program.opts().maxOptimizerRounds),
     }
     for (const encName of Object.keys(encoders)) {
-      if (!program[encName]) {
+      if (!program.opts()[encName]) {
         continue;
       }
-      const encParam = program[encName];
+      const encParam = program.opts()[encName];
       const encConfig = encParam.toLowerCase() === 'auto' ? 'auto' : JSON5.parse(encParam);
       encodeOptions[encName] = encConfig;
     }
@@ -170,7 +170,7 @@ async function processFiles(files) {
     const job = image.encode(encodeOptions)
       .then(async () => {
         jobsFinished++;
-        const outputPath = path.join(program.outputDir, program.suffix + path.basename(originalFile, path.extname(originalFile)));
+        const outputPath = path.join(program.opts().outputDir, program.opts().suffix + path.basename(originalFile, path.extname(originalFile)));
         for(const [extension, output] of Object.entries(image.encodedAs)){
           const outputFile = `${outputPath}.${extension}`;
           await fsp.writeFile(outputFile, (await output).binary);