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..e324d54e 100644
--- a/packages/flutter_mozilla_components/javascript/container_proxy/package-lock.json
+++ b/packages/flutter_mozilla_components/javascript/container_proxy/package-lock.json
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@@ -554,6 +657,13 @@
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+        "domutils": "^3.0.1",
+        "entities": "^4.4.0"
+      }
+    },
     "node_modules/web-ext/node_modules/json-parse-even-better-errors": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/json-parse-even-better-errors/-/json-parse-even-better-errors-3.0.2.tgz",
@@ -10304,6 +10923,19 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/web-ext/node_modules/semver": {
+      "version": "7.7.2",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.2.tgz",
+      "integrity": "sha512-RF0Fw+rO5AMf9MAyaRXI4AV0Ulj5lMHqVxxdSgiVbixSCXoEmmX/jk0CuJw4+3SqroYO9VoUh+HcuJivvtJemA==",
+      "dev": true,
+      "license": "ISC",
+      "bin": {
+        "semver": "bin/semver.js"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/web-ext/node_modules/strip-bom": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-5.0.0.tgz",
@@ -10494,6 +11126,30 @@
         "node": ">=4.0"
       }
     },
+    "node_modules/whatwg-encoding": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/whatwg-encoding/-/whatwg-encoding-3.1.1.tgz",
+      "integrity": "sha512-6qN4hJdMwfYBtE3YBTTHhoeuUrDBPZmbQaxWAqSALV/MeEnR5z1xd8UKud2RAkFoPkmB+hli1TZSnyi84xz1vQ==",
+      "deprecated": "Use @exodus/bytes instead for a more spec-conformant and faster implementation",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "iconv-lite": "0.6.3"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/whatwg-mimetype": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-mimetype/-/whatwg-mimetype-4.0.0.tgz",
+      "integrity": "sha512-QaKxh0eNIi2mE9p2vEdzfagOKHCcj1pJ56EEHGQOVxp8r9/iszLUUV7v89x9O1p/T+NlTM5W7jW6+cz4Fq1YVg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/when": {
       "version": "3.7.7",
       "resolved": "https://registry.npmjs.org/when/-/when-3.7.7.tgz",
diff --git a/packages/flutter_mozilla_components/javascript/container_proxy/package.json b/packages/flutter_mozilla_components/javascript/container_proxy/package.json
index a5b2ff54..56330e79 100644
--- a/packages/flutter_mozilla_components/javascript/container_proxy/package.json
+++ b/packages/flutter_mozilla_components/javascript/container_proxy/package.json
@@ -34,7 +34,7 @@
     "@types/chai": "^5.0.1",
     "@types/firefox-webext-browser": "^143.0.0",
     "@types/mocha": "^10.0.10",
-    "addons-linter": "^7.8.0",
+    "addons-linter": "^9.3.0",
     "chai": "^5.1.2",
     "copy-webpack-plugin": "^12.0.2",
     "esm": "^3.2.25",