diff --git a/addon/package-lock.json b/addon/package-lock.json
index 7580a2eb5..16a15c403 100644
--- a/addon/package-lock.json
+++ b/addon/package-lock.json
@@ -2372,9 +2372,9 @@
       "dev": true
     },
     "electron-to-chromium": {
-      "version": "1.3.607",
-      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.607.tgz",
-      "integrity": "sha512-h2SYNaBnlplGS0YyXl8oJWokfcNxVjJANQfMCsQefG6OSuAuNIeW+A8yGT/ci+xRoBb3k2zq1FrOvkgoKBol8g==",
+      "version": "1.3.610",
+      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.610.tgz",
+      "integrity": "sha512-eFDC+yVQpEhtlapk4CYDPfV9ajF9cEof5TBcO49L1ETO+aYogrKWDmYpZyxBScMNe8Bo/gJamH4amQ4yyvXg4g==",
       "dev": true
     },
     "emoji-regex": {
@@ -6901,9 +6901,9 @@
       "dev": true
     },
     "terser": {
-      "version": "5.5.0",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-5.5.0.tgz",
-      "integrity": "sha512-eopt1Gf7/AQyPhpygdKePTzaet31TvQxXvrf7xYUvD/d8qkCJm4SKPDzu+GHK5ZaYTn8rvttfqaZc3swK21e5g==",
+      "version": "5.5.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.5.1.tgz",
+      "integrity": "sha512-6VGWZNVP2KTUcltUQJ25TtNjx/XgdDsBDKGt8nN0MpydU36LmbPPcMBd2kmtZNNGVVDLg44k7GKeHHj+4zPIBQ==",
       "dev": true,
       "requires": {
         "commander": "^2.20.0",
@@ -7704,9 +7704,9 @@
       "dev": true
     },
     "webpack": {
-      "version": "5.7.0",
-      "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.7.0.tgz",
-      "integrity": "sha512-U0AshArzQX5X+L2eViVEjrE7nNLUs80BQYcPUyRnaUMT2EyZiIbXAYWL7GLx6qRu0ykxAwXytRoC1+jqWQZExw==",
+      "version": "5.9.0",
+      "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.9.0.tgz",
+      "integrity": "sha512-YnnqIV/uAS5ZrNpctSv378qV7HmbJ74DL+XfvMxzbX1bV9e7eeT6eEWU4wuUw33CNr/HspBh7R/xQlVjTEyAeA==",
       "dev": true,
       "requires": {
         "@types/eslint-scope": "^3.7.0",
@@ -7729,7 +7729,7 @@
         "neo-async": "^2.6.2",
         "pkg-dir": "^4.2.0",
         "schema-utils": "^3.0.0",
-        "tapable": "^2.0.0",
+        "tapable": "^2.1.1",
         "terser-webpack-plugin": "^5.0.3",
         "watchpack": "^2.0.0",
         "webpack-sources": "^2.1.1"
diff --git a/addon/package.json b/addon/package.json
index 80a9f1273..8b73fce6c 100644
--- a/addon/package.json
+++ b/addon/package.json
@@ -12,7 +12,7 @@
     "eslint-plugin-mozilla": "^0.9.0",
     "eslint-plugin-no-unsanitized": "^3.1.4",
     "web-ext": "^5.4.0",
-    "webpack": "^5.7.0",
+    "webpack": "^5.9.0",
     "webpack-cli": "^4.2.0"
   },
   "scripts": {