diff --git a/addon/package-lock.json b/addon/package-lock.json
index 18852bb46..f138f1e85 100644
--- a/addon/package-lock.json
+++ b/addon/package-lock.json
@@ -10259,9 +10259,9 @@
       "dev": true
     },
     "webpack": {
-      "version": "4.37.0",
-      "resolved": "https://registry.npmjs.org/webpack/-/webpack-4.37.0.tgz",
-      "integrity": "sha512-iJPPvL7XpbcbwOthbzpa2BSPlmGp8lGDokAj/LdWtK80rsPoPOdANSbDBf2GAVLKZD3GhCuQ/gGkgN9HWs0Keg==",
+      "version": "4.38.0",
+      "resolved": "https://registry.npmjs.org/webpack/-/webpack-4.38.0.tgz",
+      "integrity": "sha512-lbuFsVOq8PZY+1Ytz/mYOvYOo+d4IJ31hHk/7iyoeWtwN33V+5HYotSH+UIb9tq914ey0Hot7z6HugD+je3sWw==",
       "dev": true,
       "requires": {
         "@webassemblyjs/ast": "1.8.5",
diff --git a/addon/package.json b/addon/package.json
index 7e8cf206c..60a15a936 100644
--- a/addon/package.json
+++ b/addon/package.json
@@ -12,7 +12,7 @@
     "eslint-plugin-mozilla": "^0.9.0",
     "eslint-plugin-no-unsanitized": "^3.0.2",
     "web-ext": "^3.1.1",
-    "webpack": "^4.37.0",
+    "webpack": "^4.38.0",
     "webpack-cli": "^3.3.6"
   },
   "scripts": {