diff --git a/addon/package-lock.json b/addon/package-lock.json
index 091c5d826..c4cff754f 100644
--- a/addon/package-lock.json
+++ b/addon/package-lock.json
@@ -4676,9 +4676,9 @@
           }
         },
         "kind-of": {
-          "version": "6.0.2",
-          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
-          "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==",
+          "version": "6.0.3",
+          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.3.tgz",
+          "integrity": "sha512-dcS1ul+9tmeD95T+x28/ehLgd9mENa3LsvDTtzm3vyBEO7RPptvAD+t44WVXaUjTBRcrpFeFlC8WCruUR456hw==",
           "dev": true
         }
       }
@@ -8995,9 +8995,9 @@
       }
     },
     "webpack-cli": {
-      "version": "3.3.10",
-      "resolved": "https://registry.npmjs.org/webpack-cli/-/webpack-cli-3.3.10.tgz",
-      "integrity": "sha512-u1dgND9+MXaEt74sJR4PR7qkPxXUSQ0RXYq8x1L6Jg1MYVEmGPrH6Ah6C4arD4r0J1P5HKjRqpab36k0eIzPqg==",
+      "version": "3.3.11",
+      "resolved": "https://registry.npmjs.org/webpack-cli/-/webpack-cli-3.3.11.tgz",
+      "integrity": "sha512-dXlfuml7xvAFwYUPsrtQAA9e4DOe58gnzSxhgrO/ZM/gyXTBowrsYeubyN4mqGhYdpXMFNyQ6emjJS9M7OBd4g==",
       "dev": true,
       "requires": {
         "chalk": "2.4.2",
diff --git a/addon/package.json b/addon/package.json
index 64de7c030..93c4990d7 100644
--- a/addon/package.json
+++ b/addon/package.json
@@ -13,7 +13,7 @@
     "eslint-plugin-no-unsanitized": "^3.0.2",
     "web-ext": "^4.0.0",
     "webpack": "^4.41.6",
-    "webpack-cli": "^3.3.10"
+    "webpack-cli": "^3.3.11"
   },
   "scripts": {
     "lint": "eslint src/*.js",