diff --git a/packages/flutter_mozilla_components/javascript/container_proxy/package-lock.json b/packages/flutter_mozilla_components/javascript/container_proxy/package-lock.json
index d0054421..f2bc00be 100644
--- a/packages/flutter_mozilla_components/javascript/container_proxy/package-lock.json
+++ b/packages/flutter_mozilla_components/javascript/container_proxy/package-lock.json
@@ -24,7 +24,7 @@
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         "typescript": "^5.7.3",
         "web-ext": "^8.4.0",
-        "webpack": "^5.59.1",
+        "webpack": "^5.104.1",
         "webpack-cli": "^6.0.1"
       }
     },
@@ -3164,9 +3164,9 @@
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     "node_modules/es-module-lexer": {
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-      "resolved": "https://registry.npmjs.org/es-module-lexer/-/es-module-lexer-1.7.0.tgz",
-      "integrity": "sha512-jEQoCwk8hyb2AZziIOLhDqpm5+2ww5uIE6lkO/6jcOCusfk6LhMHpXXfBLXTZ7Ydyt0j4VoUQv6uGNYbdW+kBA==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/es-module-lexer/-/es-module-lexer-2.0.0.tgz",
+      "integrity": "sha512-5POEcUuZybH7IdmGsD8wlf0AI55wMecM9rVBTI/qEAy2c1kTOm3DjFYjrBdI2K3BaJjJYfYFeRtM0t9ssnRuxw==",
       "dev": true,
       "license": "MIT"
     },
@@ -10344,9 +10344,9 @@
       }
     },
     "node_modules/webpack": {
-      "version": "5.103.0",
-      "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.103.0.tgz",
-      "integrity": "sha512-HU1JOuV1OavsZ+mfigY0j8d1TgQgbZ6M+J75zDkpEAwYeXjWSqrGJtgnPblJjd/mAyTNQ7ygw0MiKOn6etz8yw==",
+      "version": "5.104.1",
+      "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.104.1.tgz",
+      "integrity": "sha512-Qphch25abbMNtekmEGJmeRUhLDbe+QfiWTiqpKYkpCOWY64v9eyl+KRRLmqOFA2AvKPpc9DC6+u2n76tQLBoaA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -10358,10 +10358,10 @@
         "@webassemblyjs/wasm-parser": "^1.14.1",
         "acorn": "^8.15.0",
         "acorn-import-phases": "^1.0.3",
-        "browserslist": "^4.26.3",
+        "browserslist": "^4.28.1",
         "chrome-trace-event": "^1.0.2",
-        "enhanced-resolve": "^5.17.3",
-        "es-module-lexer": "^1.2.1",
+        "enhanced-resolve": "^5.17.4",
+        "es-module-lexer": "^2.0.0",
         "eslint-scope": "5.1.1",
         "events": "^3.2.0",
         "glob-to-regexp": "^0.4.1",
@@ -10372,7 +10372,7 @@
         "neo-async": "^2.6.2",
         "schema-utils": "^4.3.3",
         "tapable": "^2.3.0",
-        "terser-webpack-plugin": "^5.3.11",
+        "terser-webpack-plugin": "^5.3.16",
         "watchpack": "^2.4.4",
         "webpack-sources": "^3.3.3"
       },
diff --git a/packages/flutter_mozilla_components/javascript/container_proxy/package.json b/packages/flutter_mozilla_components/javascript/container_proxy/package.json
index a5b2ff54..41866ad8 100644
--- a/packages/flutter_mozilla_components/javascript/container_proxy/package.json
+++ b/packages/flutter_mozilla_components/javascript/container_proxy/package.json
@@ -46,7 +46,7 @@
     "tsconfig-paths-webpack-plugin": "^4.2.0",
     "typescript": "^5.7.3",
     "web-ext": "^8.4.0",
-    "webpack": "^5.59.1",
+    "webpack": "^5.104.1",
     "webpack-cli": "^6.0.1"
   },
   "standardx": {