diff --git a/package-lock.json b/package-lock.json
index 195ac72..51e716f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1875,8 +1875,8 @@
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       "dev": true,
       "requires": {
-        "no-case": "2.3.2",
-        "upper-case": "1.1.3"
+        "no-case": "^2.2.0",
+        "upper-case": "^1.1.1"
       }
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@@ -2181,12 +2181,12 @@
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-      "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"
+        "source-map": "0.5.x"
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       "dependencies": {
         "source-map": {
@@ -5937,19 +5937,26 @@
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-      "resolved": "https://registry.npmjs.org/html-minifier/-/html-minifier-3.5.8.tgz",
-      "integrity": "sha512-WX7D6PB9PFq05fZ1/CyxPUuyqXed6vh2fGOM80+zJT5wAO93D/cUjLs0CcbBFjQmlwmCgRvl97RurtArIpOnkw==",
+      "version": "3.5.16",
+      "resolved": "https://registry.npmjs.org/html-minifier/-/html-minifier-3.5.16.tgz",
+      "integrity": "sha512-zP5EfLSpiLRp0aAgud4CQXPQZm9kXwWjR/cF0PfdOj+jjWnOaCgeZcll4kYXSvIBPeUMmyaSc7mM4IDtA+kboA==",
       "dev": true,
       "requires": {
-        "camel-case": "3.0.0",
-        "clean-css": "4.1.9",
-        "commander": "2.12.2",
-        "he": "1.1.1",
-        "ncname": "1.0.0",
-        "param-case": "2.1.1",
-        "relateurl": "0.2.7",
-        "uglify-js": "3.3.9"
+        "camel-case": "3.0.x",
+        "clean-css": "4.1.x",
+        "commander": "2.15.x",
+        "he": "1.1.x",
+        "param-case": "2.1.x",
+        "relateurl": "0.2.x",
+        "uglify-js": "3.3.x"
+      },
+      "dependencies": {
+        "commander": {
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+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
+          "integrity": "sha512-VlfT9F3V0v+jr4yxPc5gg9s62/fIVWsd2Bk2iD435um1NlGMYdVCq+MjcXnhYq2icNOizHr1kK+5TI6H0Hy0ag==",
+          "dev": true
+        }
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     "html-webpack-plugin": {
@@ -7799,15 +7806,6 @@
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       "dev": true
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-    "ncname": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/ncname/-/ncname-1.0.0.tgz",
-      "integrity": "sha1-W1etGLHKCShk72Kwse2BlPODtxw=",
-      "dev": true,
-      "requires": {
-        "xml-char-classes": "1.0.0"
-      }
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       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.1.tgz",
@@ -7829,10 +7827,10 @@
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       "resolved": "https://registry.npmjs.org/no-case/-/no-case-2.3.2.tgz",
-      "integrity": "sha1-YLgTOWvjmz8SiKTB7V0efSi0ZKw=",
+      "integrity": "sha512-rmTZ9kz+f3rCvK2TD1Ue/oZlns7OGoIWP4fc3llxxRXlOkHKoWPPWJOfFYpITabSow43QJbRIoHQXtt10VldyQ==",
       "dev": true,
       "requires": {
-        "lower-case": "1.1.4"
+        "lower-case": "^1.1.1"
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@@ -8396,7 +8394,7 @@
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       "dev": true,
       "requires": {
-        "no-case": "2.3.2"
+        "no-case": "^2.2.0"
       }
     },
     "parse-asn1": {
@@ -13378,19 +13376,19 @@
       "dev": true
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     "uglify-js": {
-      "version": "3.3.9",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.3.9.tgz",
-      "integrity": "sha512-J2t8B5tj9JdPTW4+sNZXmiIWHzTvcoITkaqzTiilu/biZF/9crqf/Fi7k5hqbOmVRh9/hVNxAxBYIMF7N6SqMQ==",
+      "version": "3.3.26",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.3.26.tgz",
+      "integrity": "sha512-XHxutZNxbx0UnqNUrjL/wvABLxirEYpbAnjCWGakPfQRJbbAGF2dI+YYw300F5mYKm7zBtgYiw3kOiQFobzglQ==",
       "dev": true,
       "requires": {
-        "commander": "2.13.0",
-        "source-map": "0.6.1"
+        "commander": "~2.15.0",
+        "source-map": "~0.6.1"
       },
       "dependencies": {
         "commander": {
-          "version": "2.13.0",
-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.13.0.tgz",
-          "integrity": "sha512-MVuS359B+YzaWqjCL/c+22gfryv+mCBPHAv3zyVI2GN8EY6IRP8VwtasXn8jyyhvvq84R4ImN1OKRtcbIasjYA==",
+          "version": "2.15.1",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
+          "integrity": "sha512-VlfT9F3V0v+jr4yxPc5gg9s62/fIVWsd2Bk2iD435um1NlGMYdVCq+MjcXnhYq2icNOizHr1kK+5TI6H0Hy0ag==",
           "dev": true
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@@ -14680,12 +14678,6 @@
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-    "xml-char-classes": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/xml-char-classes/-/xml-char-classes-1.0.0.tgz",
-      "integrity": "sha1-ZGV4SKIP/F31g6Qq2KJ3tFErvE0=",
-      "dev": true
-    },
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       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
diff --git a/package.json b/package.json
index 52c3002..d67f7f9 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "file-loader": "1.1.6",
     "globby": "7.1.1",
     "gzip-size-cli": "2.1.0",
-    "html-minifier": "3.5.8",
+    "html-minifier": "3.5.16",
     "html-webpack-plugin": "3.0.6",
     "is-glob": "4.0.0",
     "postcss-loader": "2.0.10",