diff --git a/package-lock.json b/package-lock.json
index 537cfe54..7f31c584 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1282,9 +1282,9 @@
       "integrity": "sha512-nbE1WxOTTrUWIfsfZ4aHGYu5DOuNkbxGokjV6Z2kxfJK3uaAb8zNK1muzOeipoLHZjInT4Br88BHpzevc681xA=="
     },
     "bitfield": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/bitfield/-/bitfield-3.0.0.tgz",
-      "integrity": "sha512-hJmWKucJQfdSkQPDPBKmWogM9s8+NOSzDT9QVbJbjinXaQ0bJKPu/cn98qRWy3PDNWtKw4XaoUP3XruGRIKEgg=="
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/bitfield/-/bitfield-4.0.0.tgz",
+      "integrity": "sha512-jtuSG9CQr5yoHFuvhgf50+DH8Aezl3C/mMSfqdG4DqP7Kqe34uBUtCEHPN9oWaldTm96/i7y5e778SnM5ES4rw=="
     },
     "bittorrent-dht": {
       "version": "10.0.0",
@@ -1331,6 +1331,11 @@
         "unordered-array-remove": "^1.0.2"
       },
       "dependencies": {
+        "bitfield": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/bitfield/-/bitfield-3.0.0.tgz",
+          "integrity": "sha512-hJmWKucJQfdSkQPDPBKmWogM9s8+NOSzDT9QVbJbjinXaQ0bJKPu/cn98qRWy3PDNWtKw4XaoUP3XruGRIKEgg=="
+        },
         "debug": {
           "version": "4.2.0",
           "resolved": "https://registry.npmjs.org/debug/-/debug-4.2.0.tgz",
@@ -9557,6 +9562,11 @@
         "simple-sha1": "^3.0.1"
       },
       "dependencies": {
+        "bitfield": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/bitfield/-/bitfield-3.0.0.tgz",
+          "integrity": "sha512-hJmWKucJQfdSkQPDPBKmWogM9s8+NOSzDT9QVbJbjinXaQ0bJKPu/cn98qRWy3PDNWtKw4XaoUP3XruGRIKEgg=="
+        },
         "debug": {
           "version": "4.2.0",
           "resolved": "https://registry.npmjs.org/debug/-/debug-4.2.0.tgz",
@@ -9938,6 +9948,11 @@
         "utp-native": "^2.2.1"
       },
       "dependencies": {
+        "bitfield": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/bitfield/-/bitfield-3.0.0.tgz",
+          "integrity": "sha512-hJmWKucJQfdSkQPDPBKmWogM9s8+NOSzDT9QVbJbjinXaQ0bJKPu/cn98qRWy3PDNWtKw4XaoUP3XruGRIKEgg=="
+        },
         "debug": {
           "version": "4.2.0",
           "resolved": "https://registry.npmjs.org/debug/-/debug-4.2.0.tgz",
diff --git a/package.json b/package.json
index 2ccc1085..abaf4bc5 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "application-config": "^2.0.0",
     "arch": "^2.2.0",
     "auto-launch": "^5.0.5",
-    "bitfield": "^3.0.0",
+    "bitfield": "^4.0.0",
     "capture-frame": "^4.0.0",
     "chokidar": "^3.4.3",
     "chromecasts": "^1.9.1",
diff --git a/src/renderer/pages/player-page.js b/src/renderer/pages/player-page.js
index f51e88e5..774f5c0d 100644
--- a/src/renderer/pages/player-page.js
+++ b/src/renderer/pages/player-page.js
@@ -1,5 +1,5 @@
 const React = require('react')
-const Bitfield = require('bitfield')
+const BitField = require('bitfield').default
 const prettyBytes = require('prettier-bytes')
 
 const TorrentSummary = require('../lib/torrent-summary')
@@ -850,7 +850,7 @@ function renderLoadingBar (state) {
   const parts = []
   let lastPiecePresent = false
   for (let i = fileProg.startPiece; i <= fileProg.endPiece; i++) {
-    const partPresent = Bitfield.prototype.get.call(prog.bitfield, i)
+    const partPresent = BitField.prototype.get.call(prog.bitfield, i)
     if (partPresent && !lastPiecePresent) {
       parts.push({ start: i - fileProg.startPiece, count: 1 })
     } else if (partPresent) {