diff --git a/package-lock.json b/package-lock.json
index f821c21a4..ccf65f126 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
         "@fontsource/noto-sans-kr": "5.0.17",
         "@fontsource/noto-sans-sc": "5.0.17",
         "@fontsource/noto-sans-tc": "5.0.17",
-        "@jellyfin/libass-wasm": "4.1.1",
+        "@jellyfin/libass-wasm": "4.2.1",
         "@jellyfin/sdk": "0.0.0-unstable.202403240502",
         "@loadable/component": "5.16.3",
         "@mui/icons-material": "5.15.11",
@@ -3640,9 +3640,9 @@
       "dev": true
     },
     "node_modules/@jellyfin/libass-wasm": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/@jellyfin/libass-wasm/-/libass-wasm-4.1.1.tgz",
-      "integrity": "sha512-xQVJw+lZUg4U1TmLS80reBECfPtpCgRF8hhUSvUUQM9g68OvINyUU3K2yqRH+8tomGpghiRaIcr/bUJ83e0veA=="
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/@jellyfin/libass-wasm/-/libass-wasm-4.2.1.tgz",
+      "integrity": "sha512-oWK2yz8fFlMXkIuxUc9g/bqN2h56AB+8b6vF/Ikns6WZ/nmcGJ/5lcVaLI4csE83yWgmco4gHO3HyJDsM9EXcQ=="
     },
     "node_modules/@jellyfin/sdk": {
       "version": "0.0.0-unstable.202403240502",
@@ -25254,9 +25254,9 @@
       "dev": true
     },
     "@jellyfin/libass-wasm": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/@jellyfin/libass-wasm/-/libass-wasm-4.1.1.tgz",
-      "integrity": "sha512-xQVJw+lZUg4U1TmLS80reBECfPtpCgRF8hhUSvUUQM9g68OvINyUU3K2yqRH+8tomGpghiRaIcr/bUJ83e0veA=="
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/@jellyfin/libass-wasm/-/libass-wasm-4.2.1.tgz",
+      "integrity": "sha512-oWK2yz8fFlMXkIuxUc9g/bqN2h56AB+8b6vF/Ikns6WZ/nmcGJ/5lcVaLI4csE83yWgmco4gHO3HyJDsM9EXcQ=="
     },
     "@jellyfin/sdk": {
       "version": "0.0.0-unstable.202403240502",
diff --git a/package.json b/package.json
index d0eeed422..348ea6a6d 100644
--- a/package.json
+++ b/package.json
@@ -78,7 +78,7 @@
     "@fontsource/noto-sans-kr": "5.0.17",
     "@fontsource/noto-sans-sc": "5.0.17",
     "@fontsource/noto-sans-tc": "5.0.17",
-    "@jellyfin/libass-wasm": "4.1.1",
+    "@jellyfin/libass-wasm": "4.2.1",
     "@jellyfin/sdk": "0.0.0-unstable.202403240502",
     "@loadable/component": "5.16.3",
     "@mui/icons-material": "5.15.11",
diff --git a/webpack.common.js b/webpack.common.js
index 1c6ec2b99..e7e5446c7 100644
--- a/webpack.common.js
+++ b/webpack.common.js
@@ -10,12 +10,10 @@ const packageJson = require('./package.json');
 const Assets = [
     'native-promise-only/npo.js',
     'libarchive.js/dist/worker-bundle.js',
+    '@jellyfin/libass-wasm/dist/js/default.woff2',
     '@jellyfin/libass-wasm/dist/js/subtitles-octopus-worker.js',
-    '@jellyfin/libass-wasm/dist/js/subtitles-octopus-worker.data',
     '@jellyfin/libass-wasm/dist/js/subtitles-octopus-worker.wasm',
     '@jellyfin/libass-wasm/dist/js/subtitles-octopus-worker-legacy.js',
-    '@jellyfin/libass-wasm/dist/js/subtitles-octopus-worker-legacy.data',
-    '@jellyfin/libass-wasm/dist/js/subtitles-octopus-worker-legacy.js.mem',
     'pdfjs-dist/build/pdf.worker.js'
 ];