diff --git a/package-lock.json b/package-lock.json
index e101a84..1f8171c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,7 +25,7 @@
                 "babelify": "^10.0.0",
                 "browserify": "^17.0.0",
                 "cross-env": "^7.0.3",
-                "cssnano": "^5.1.0",
+                "cssnano": "^5.1.1",
                 "del": "^6.0.0",
                 "factor-bundle": "^2.5.0",
                 "gulp": "^4.0.2",
@@ -4481,12 +4481,12 @@
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+            "version": "5.1.1",
+            "resolved": "https://registry.npmjs.org/cssnano/-/cssnano-5.1.1.tgz",
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             "dev": true,
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-                "cssnano-preset-default": "^5.2.0",
+                "cssnano-preset-default": "^5.2.1",
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                 "yaml": "^1.10.2"
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@@ -4502,9 +4502,9 @@
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-            "resolved": "https://registry.npmjs.org/cssnano-preset-default/-/cssnano-preset-default-5.2.0.tgz",
-            "integrity": "sha512-3N5Vcptj2pqVKpHVqH6ezOJvqikR2PdLTbTrsrhF61FbLRQuujAqZ2sKN5rvcMsb7hFjrNnjZT8CGEkxoN/Pwg==",
+            "version": "5.2.1",
+            "resolved": "https://registry.npmjs.org/cssnano-preset-default/-/cssnano-preset-default-5.2.1.tgz",
+            "integrity": "sha512-Y+CUCS5iZ1uzHn5KtmKIlysQVXrTtLCnYsYTOJcbdd5rghOwtw1gobvEXefBncjGO4fWwGZr9/n9hwZfo6W1Fw==",
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@@ -4512,7 +4512,7 @@
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-                "postcss-discard-comments": "^5.1.0",
+                "postcss-discard-comments": "^5.1.1",
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                 "postcss-discard-empty": "^5.1.0",
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@@ -4535,7 +4535,7 @@
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                 "postcss-reduce-transforms": "^5.1.0",
                 "postcss-svgo": "^5.1.0",
-                "postcss-unique-selectors": "^5.1.0"
+                "postcss-unique-selectors": "^5.1.1"
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@@ -11227,9 +11227,9 @@
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-            "resolved": "https://registry.npmjs.org/postcss-discard-comments/-/postcss-discard-comments-5.1.0.tgz",
-            "integrity": "sha512-L0IKF4jAshRyn03SkEO6ar/Ipz2oLywVbg2THf2EqqdNkBwmVMxuTR/RoAltOw4piiaLt3gCAdrbAqmTBInmhg==",
+            "version": "5.1.1",
+            "resolved": "https://registry.npmjs.org/postcss-discard-comments/-/postcss-discard-comments-5.1.1.tgz",
+            "integrity": "sha512-5JscyFmvkUxz/5/+TB3QTTT9Gi9jHkcn8dcmmuN68JQcv3aQg4y88yEHHhwFB52l/NkaJ43O0dbksGMAo49nfQ==",
             "dev": true,
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                 "node": "^10 || ^12 || >=14.0"
@@ -11747,9 +11747,9 @@
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-            "resolved": "https://registry.npmjs.org/postcss-unique-selectors/-/postcss-unique-selectors-5.1.0.tgz",
-            "integrity": "sha512-LmUhgGobtpeVJJHuogzjLRwJlN7VH+BL5c9GKMVJSS/ejoyePZkXvNsYUtk//F6vKOGK86gfRS0xH7fXQSDtvA==",
+            "version": "5.1.1",
+            "resolved": "https://registry.npmjs.org/postcss-unique-selectors/-/postcss-unique-selectors-5.1.1.tgz",
+            "integrity": "sha512-5JiODlELrz8L2HwxfPnhOWZYWDxVHWL83ufOv84NrcgipI7TaeRsatAhK4Tr2/ZiYldpK/wBvw5BD3qfaK96GA==",
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@@ -18224,20 +18224,20 @@
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-            "resolved": "https://registry.npmjs.org/cssnano/-/cssnano-5.1.0.tgz",
-            "integrity": "sha512-wWxave1wMlThGg4ueK98jFKaNqXnQd1nVZpSkQ9XvR+YymlzP1ofWqES1JkHtI250LksP9z5JH+oDcrKDJezAg==",
+            "version": "5.1.1",
+            "resolved": "https://registry.npmjs.org/cssnano/-/cssnano-5.1.1.tgz",
+            "integrity": "sha512-WWfN7jBK/3Uk3oX/jsFbQApDf9DkXj6dOYull5ZaSGskcDggzg3RyDZI4GKKO+00LdfLMEZtY1cwTQUL+YMg2Q==",
             "dev": true,
             "requires": {
-                "cssnano-preset-default": "^5.2.0",
+                "cssnano-preset-default": "^5.2.1",
                 "lilconfig": "^2.0.3",
                 "yaml": "^1.10.2"
             }
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         "cssnano-preset-default": {
-            "version": "5.2.0",
-            "resolved": "https://registry.npmjs.org/cssnano-preset-default/-/cssnano-preset-default-5.2.0.tgz",
-            "integrity": "sha512-3N5Vcptj2pqVKpHVqH6ezOJvqikR2PdLTbTrsrhF61FbLRQuujAqZ2sKN5rvcMsb7hFjrNnjZT8CGEkxoN/Pwg==",
+            "version": "5.2.1",
+            "resolved": "https://registry.npmjs.org/cssnano-preset-default/-/cssnano-preset-default-5.2.1.tgz",
+            "integrity": "sha512-Y+CUCS5iZ1uzHn5KtmKIlysQVXrTtLCnYsYTOJcbdd5rghOwtw1gobvEXefBncjGO4fWwGZr9/n9hwZfo6W1Fw==",
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@@ -18245,7 +18245,7 @@
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                 "postcss-colormin": "^5.3.0",
                 "postcss-convert-values": "^5.1.0",
-                "postcss-discard-comments": "^5.1.0",
+                "postcss-discard-comments": "^5.1.1",
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                 "postcss-discard-empty": "^5.1.0",
                 "postcss-discard-overridden": "^5.1.0",
@@ -18268,7 +18268,7 @@
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                 "postcss-reduce-transforms": "^5.1.0",
                 "postcss-svgo": "^5.1.0",
-                "postcss-unique-selectors": "^5.1.0"
+                "postcss-unique-selectors": "^5.1.1"
             }
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         "cssnano-utils": {
@@ -23556,9 +23556,9 @@
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         "postcss-discard-comments": {
-            "version": "5.1.0",
-            "resolved": "https://registry.npmjs.org/postcss-discard-comments/-/postcss-discard-comments-5.1.0.tgz",
-            "integrity": "sha512-L0IKF4jAshRyn03SkEO6ar/Ipz2oLywVbg2THf2EqqdNkBwmVMxuTR/RoAltOw4piiaLt3gCAdrbAqmTBInmhg==",
+            "version": "5.1.1",
+            "resolved": "https://registry.npmjs.org/postcss-discard-comments/-/postcss-discard-comments-5.1.1.tgz",
+            "integrity": "sha512-5JscyFmvkUxz/5/+TB3QTTT9Gi9jHkcn8dcmmuN68JQcv3aQg4y88yEHHhwFB52l/NkaJ43O0dbksGMAo49nfQ==",
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@@ -23888,9 +23888,9 @@
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-            "resolved": "https://registry.npmjs.org/postcss-unique-selectors/-/postcss-unique-selectors-5.1.0.tgz",
-            "integrity": "sha512-LmUhgGobtpeVJJHuogzjLRwJlN7VH+BL5c9GKMVJSS/ejoyePZkXvNsYUtk//F6vKOGK86gfRS0xH7fXQSDtvA==",
+            "version": "5.1.1",
+            "resolved": "https://registry.npmjs.org/postcss-unique-selectors/-/postcss-unique-selectors-5.1.1.tgz",
+            "integrity": "sha512-5JiODlELrz8L2HwxfPnhOWZYWDxVHWL83ufOv84NrcgipI7TaeRsatAhK4Tr2/ZiYldpK/wBvw5BD3qfaK96GA==",
             "dev": true,
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diff --git a/package.json b/package.json
index e002ca1..a2d9c62 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": "^5.1.0",
+        "cssnano": "^5.1.1",
         "del": "^6.0.0",
         "factor-bundle": "^2.5.0",
         "gulp": "^4.0.2",