diff --git a/package-lock.json b/package-lock.json
index 1ffd839..ccba1ae 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4078,13 +4078,13 @@
             "dev": true
         },
         "cssnano": {
-            "version": "4.1.10",
-            "resolved": "https://registry.npmjs.org/cssnano/-/cssnano-4.1.10.tgz",
-            "integrity": "sha512-5wny+F6H4/8RgNlaqab4ktc3e0/blKutmq8yNlBFXA//nSFFAqAngjNVRzUvCgYROULmZZUoosL/KSoZo5aUaQ==",
+            "version": "4.1.11",
+            "resolved": "https://registry.npmjs.org/cssnano/-/cssnano-4.1.11.tgz",
+            "integrity": "sha512-6gZm2htn7xIPJOHY824ERgj8cNPgPxyCSnkXc4v7YvNW+TdVfzgngHcEhy/8D11kUWRUMbke+tC+AUcUsnMz2g==",
             "dev": true,
             "requires": {
                 "cosmiconfig": "^5.0.0",
-                "cssnano-preset-default": "^4.0.7",
+                "cssnano-preset-default": "^4.0.8",
                 "is-resolvable": "^1.0.0",
                 "postcss": "^7.0.0"
             },
@@ -4118,9 +4118,9 @@
             }
         },
         "cssnano-preset-default": {
-            "version": "4.0.7",
-            "resolved": "https://registry.npmjs.org/cssnano-preset-default/-/cssnano-preset-default-4.0.7.tgz",
-            "integrity": "sha512-x0YHHx2h6p0fCl1zY9L9roD7rnlltugGu7zXSKQx6k2rYw0Hi3IqxcoAGF7u9Q5w1nt7vK0ulxV8Lo+EvllGsA==",
+            "version": "4.0.8",
+            "resolved": "https://registry.npmjs.org/cssnano-preset-default/-/cssnano-preset-default-4.0.8.tgz",
+            "integrity": "sha512-LdAyHuq+VRyeVREFmuxUZR1TXjQm8QQU/ktoo/x7bz+SdOge1YKc5eMN6pRW7YWBmyq59CqYba1dJ5cUukEjLQ==",
             "dev": true,
             "requires": {
                 "css-declaration-sorter": "^4.0.1",
@@ -4151,7 +4151,7 @@
                 "postcss-ordered-values": "^4.1.2",
                 "postcss-reduce-initial": "^4.0.3",
                 "postcss-reduce-transforms": "^4.0.2",
-                "postcss-svgo": "^4.0.2",
+                "postcss-svgo": "^4.0.3",
                 "postcss-unique-selectors": "^4.0.1"
             },
             "dependencies": {
@@ -7350,7 +7350,8 @@
             "version": "1.1.2",
             "resolved": "https://registry.npmjs.org/html-comment-regex/-/html-comment-regex-1.1.2.tgz",
             "integrity": "sha512-P+M65QY2JQ5Y0G9KKdlDpo0zK+/OHptU5AaBwUfAIDJZk1MYf32Frm84EcOytfJE0t5JvkAnKlmjsXDnWzCJmQ==",
-            "dev": true
+            "dev": true,
+            "optional": true
         },
         "htmlescape": {
             "version": "1.1.1",
@@ -7942,15 +7943,6 @@
             "dev": true,
             "optional": true
         },
-        "is-svg": {
-            "version": "3.0.0",
-            "resolved": "https://registry.npmjs.org/is-svg/-/is-svg-3.0.0.tgz",
-            "integrity": "sha512-gi4iHK53LR2ujhLVVj+37Ykh9GLqYHX6JOVXbLAucaG/Cqw9xwdFOjDM2qeifLs1sF1npXXFvDu0r5HNgCMrzQ==",
-            "dev": true,
-            "requires": {
-                "html-comment-regex": "^1.1.0"
-            }
-        },
         "is-symbol": {
             "version": "1.0.3",
             "resolved": "https://registry.npmjs.org/is-symbol/-/is-symbol-1.0.3.tgz",
@@ -9658,9 +9650,9 @@
             }
         },
         "postcss-calc": {
-            "version": "7.0.4",
-            "resolved": "https://registry.npmjs.org/postcss-calc/-/postcss-calc-7.0.4.tgz",
-            "integrity": "sha512-0I79VRAd1UTkaHzY9w83P39YGO/M3bG7/tNLrHGEunBolfoGM0hSjrGvjoeaj0JE/zIw5GsI2KZ0UwDJqv5hjw==",
+            "version": "7.0.5",
+            "resolved": "https://registry.npmjs.org/postcss-calc/-/postcss-calc-7.0.5.tgz",
+            "integrity": "sha512-1tKHutbGtLtEZF6PT4JSihCHfIVldU72mZ8SdZHIYriIZ9fh9k9aWSppaT8rHsyI3dX+KSR+W+Ix9BMY3AODrg==",
             "dev": true,
             "requires": {
                 "postcss": "^7.0.27",
@@ -10764,23 +10756,23 @@
             }
         },
         "postcss-selector-parser": {
-            "version": "6.0.2",
-            "resolved": "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-6.0.2.tgz",
-            "integrity": "sha512-36P2QR59jDTOAiIkqEprfJDsoNrvwFei3eCqKd1Y0tUsBimsq39BLp7RD+JWny3WgB1zGhJX8XVePwm9k4wdBg==",
+            "version": "6.0.4",
+            "resolved": "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-6.0.4.tgz",
+            "integrity": "sha512-gjMeXBempyInaBqpp8gODmwZ52WaYsVOsfr4L4lDQ7n3ncD6mEyySiDtgzCT+NYC0mmeOLvtsF8iaEf0YT6dBw==",
             "dev": true,
             "requires": {
                 "cssesc": "^3.0.0",
                 "indexes-of": "^1.0.1",
-                "uniq": "^1.0.1"
+                "uniq": "^1.0.1",
+                "util-deprecate": "^1.0.2"
             }
         },
         "postcss-svgo": {
-            "version": "4.0.2",
-            "resolved": "https://registry.npmjs.org/postcss-svgo/-/postcss-svgo-4.0.2.tgz",
-            "integrity": "sha512-C6wyjo3VwFm0QgBy+Fu7gCYOkCmgmClghO+pjcxvrcBKtiKt0uCF+hvbMO1fyv5BMImRK90SMb+dwUnfbGd+jw==",
+            "version": "4.0.3",
+            "resolved": "https://registry.npmjs.org/postcss-svgo/-/postcss-svgo-4.0.3.tgz",
+            "integrity": "sha512-NoRbrcMWTtUghzuKSoIm6XV+sJdvZ7GZSc3wdBN0W19FTtp2ko8NqLsgoh/m9CzNhU3KLPvQmjIwtaNFkaFTvw==",
             "dev": true,
             "requires": {
-                "is-svg": "^3.0.0",
                 "postcss": "^7.0.0",
                 "postcss-value-parser": "^3.0.0",
                 "svgo": "^1.0.0"
diff --git a/package.json b/package.json
index e9a0475..76714e5 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
         "babelify": "^10.0.0",
         "browserify": "^17.0.0",
         "cross-env": "^7.0.3",
-        "cssnano": "^4.1.10",
+        "cssnano": "^4.1.11",
         "del": "^6.0.0",
         "factor-bundle": "^2.5.0",
         "gulp": "^4.0.2",