diff --git a/package-lock.json b/package-lock.json
index ba32b49..758533b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,7 +28,7 @@
         "typescript": "^5.9.2",
         "userscript-metadata-webpack-plugin": "^0.4.2",
         "webpack": "^5.102.1",
-        "webpack-bundle-analyzer": "^4.10.2",
+        "webpack-bundle-analyzer": "^5.0.1",
         "webpack-cli": "^6.0.1",
         "webpack-livereload-plugin": "^3.0.2",
         "webpack-merge": "^6.0.1",
@@ -963,13 +963,6 @@
         "node": ">= 0.4"
       }
     },
-    "node_modules/duplexer": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/duplexer/-/duplexer-0.1.2.tgz",
-      "integrity": "sha512-jtD6YG370ZCIi/9GTaJKQxWTZD045+4R4hTk/x1UyoqadyJ9x9CgSi1RlVDQF8U2sxLLSnFkCaMihqljHIWgMg==",
-      "dev": true,
-      "license": "MIT"
-    },
     "node_modules/electron-to-chromium": {
       "version": "1.5.259",
       "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.5.259.tgz",
@@ -1347,22 +1340,6 @@
       "dev": true,
       "license": "ISC"
     },
-    "node_modules/gzip-size": {
-      "version": "6.0.0",
-      "resolved": "https://registry.npmjs.org/gzip-size/-/gzip-size-6.0.0.tgz",
-      "integrity": "sha512-ax7ZYomf6jqPTQ4+XCpUGyXKHk5WweS+e05MBO4/y3WJ5RkmPXNKvX+bx1behVILVwr6JSQvZAku021CHPXG3Q==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "duplexer": "^0.1.2"
-      },
-      "engines": {
-        "node": ">=10"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/sindresorhus"
-      }
-    },
     "node_modules/has-flag": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
@@ -3137,9 +3114,9 @@
       }
     },
     "node_modules/webpack-bundle-analyzer": {
-      "version": "4.10.2",
-      "resolved": "https://registry.npmjs.org/webpack-bundle-analyzer/-/webpack-bundle-analyzer-4.10.2.tgz",
-      "integrity": "sha512-vJptkMm9pk5si4Bv922ZbKLV8UTT4zib4FPgXMhgzUny0bfDDkLXAVQs3ly3fS4/TN9ROFtb0NFrm04UXFE/Vw==",
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/webpack-bundle-analyzer/-/webpack-bundle-analyzer-5.0.1.tgz",
+      "integrity": "sha512-PUp3YFOHysSw8t+13rcF+8o5SGaP/AZ5KnIF3qJfFodv4xJkmixnfcyy+LOwNadpzvyrEKpaMlewAG2sFUfdpw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -3149,7 +3126,6 @@
         "commander": "^7.2.0",
         "debounce": "^1.2.1",
         "escape-string-regexp": "^4.0.0",
-        "gzip-size": "^6.0.0",
         "html-escaper": "^2.0.2",
         "opener": "^1.5.2",
         "picocolors": "^1.0.0",
@@ -3160,7 +3136,7 @@
         "webpack-bundle-analyzer": "lib/bin/analyzer.js"
       },
       "engines": {
-        "node": ">= 10.13.0"
+        "node": ">= 20.9.0"
       }
     },
     "node_modules/webpack-bundle-analyzer/node_modules/commander": {
diff --git a/package.json b/package.json
index 73e5c0a..9f4784b 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "typescript": "^5.9.2",
     "userscript-metadata-webpack-plugin": "^0.4.2",
     "webpack": "^5.102.1",
-    "webpack-bundle-analyzer": "^4.10.2",
+    "webpack-bundle-analyzer": "^5.0.1",
     "webpack-cli": "^6.0.1",
     "webpack-livereload-plugin": "^3.0.2",
     "webpack-merge": "^6.0.1",