diff --git a/package-lock.json b/package-lock.json
index 2779f3a7..81340377 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4135,7 +4135,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -4156,12 +4157,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -4176,17 +4179,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -4303,7 +4309,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -4315,6 +4322,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -4329,6 +4337,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -4336,12 +4345,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -4360,6 +4371,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -4440,7 +4452,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -4452,6 +4465,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -4537,7 +4551,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -4573,6 +4588,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -4592,6 +4608,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -4635,12 +4652,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -10459,9 +10478,9 @@
       }
     },
     "webpack-cli": {
-      "version": "3.3.7",
-      "resolved": "https://registry.npmjs.org/webpack-cli/-/webpack-cli-3.3.7.tgz",
-      "integrity": "sha512-OhTUCttAsr+IZSMVwGROGRHvT+QAs8H6/mHIl4SvhAwYywjiylYjpwybGx7WQ9Hkb45FhjtsymkwiRRbGJ1SZQ==",
+      "version": "3.3.10",
+      "resolved": "https://registry.npmjs.org/webpack-cli/-/webpack-cli-3.3.10.tgz",
+      "integrity": "sha512-u1dgND9+MXaEt74sJR4PR7qkPxXUSQ0RXYq8x1L6Jg1MYVEmGPrH6Ah6C4arD4r0J1P5HKjRqpab36k0eIzPqg==",
       "dev": true,
       "requires": {
         "chalk": "2.4.2",
diff --git a/package.json b/package.json
index 84eb4714..bcc038be 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "rollup-plugin-uglify-es": "^0.0.1",
     "rollup-watch": "^4.3.1",
     "webpack": "^4.39.3",
-    "webpack-cli": "^3.3.7",
+    "webpack-cli": "^3.3.10",
     "webpack-dev-server": "^3.7.2"
   },
   "scripts": {
@@ -90,4 +90,4 @@
     "url": "https://github.com/arduino/arduino-create-agent-js-client/issues"
   },
   "homepage": "https://github.com/arduino/arduino-create-agent-js-client#readme"
-}
+}
\ No newline at end of file