diff --git a/package-lock.json b/package-lock.json
index 342a87a4..ec6d9a2c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1715,9 +1715,9 @@
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     },
     "clean-css": {
-      "version": "4.1.9",
-      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-4.1.9.tgz",
-      "integrity": "sha1-Nc7ornaHpJuYA09w3gDE7dOCYwE=",
+      "version": "4.1.11",
+      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-4.1.11.tgz",
+      "integrity": "sha1-Ls3xRaujj1R0DybO/Q/z4D4SXWo=",
       "dev": true,
       "requires": {
         "source-map": "0.5.7"
@@ -5030,25 +5030,25 @@
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     },
     "html-minifier": {
-      "version": "3.5.8",
-      "resolved": "https://registry.npmjs.org/html-minifier/-/html-minifier-3.5.8.tgz",
-      "integrity": "sha512-WX7D6PB9PFq05fZ1/CyxPUuyqXed6vh2fGOM80+zJT5wAO93D/cUjLs0CcbBFjQmlwmCgRvl97RurtArIpOnkw==",
+      "version": "3.5.12",
+      "resolved": "https://registry.npmjs.org/html-minifier/-/html-minifier-3.5.12.tgz",
+      "integrity": "sha512-+N778qLf0RWBscD0TPGoYdeGNDZ0s76/0pQhY1/409EOudcENkm9IbSkk37RDyPdg/09GVHTKotU4ya93RF1Gg==",
       "dev": true,
       "requires": {
         "camel-case": "3.0.0",
-        "clean-css": "4.1.9",
-        "commander": "2.12.2",
+        "clean-css": "4.1.11",
+        "commander": "2.15.1",
         "he": "1.1.1",
         "ncname": "1.0.0",
         "param-case": "2.1.1",
         "relateurl": "0.2.7",
-        "uglify-js": "3.3.1"
+        "uglify-js": "3.3.16"
       },
       "dependencies": {
         "commander": {
-          "version": "2.12.2",
-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.12.2.tgz",
-          "integrity": "sha512-BFnaq5ZOGcDN7FlrtBT4xxkgIToalIIxwjxLWVJ8bGTpe1LroqMiqQXdA7ygc7CRvaYS+9zfPGFnJqFSayx+AA==",
+          "version": "2.15.1",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
+          "integrity": "sha512-VlfT9F3V0v+jr4yxPc5gg9s62/fIVWsd2Bk2iD435um1NlGMYdVCq+MjcXnhYq2icNOizHr1kK+5TI6H0Hy0ag==",
           "dev": true
         },
         "source-map": {
@@ -5058,12 +5058,12 @@
           "dev": true
         },
         "uglify-js": {
-          "version": "3.3.1",
-          "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.3.1.tgz",
-          "integrity": "sha512-f2JLNUrb9PAnxxNh0CwUoYEIiUUOQkdOxqDkfvrSbot4zJ7y+da1sfNqZg5tKhamfj5WDU2BAjRBEcLKRZm2SA==",
+          "version": "3.3.16",
+          "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.3.16.tgz",
+          "integrity": "sha512-FMh5SRqJRGhv9BbaTffENIpDDQIoPDR8DBraunGORGhySArsXlw9++CN+BWzPBLpoI4RcSnpfGPnilTxWL3Vvg==",
           "dev": true,
           "requires": {
-            "commander": "2.12.2",
+            "commander": "2.15.1",
             "source-map": "0.6.1"
           }
         }