diff --git a/package-lock.json b/package-lock.json
index 17eec9c..8394137 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -46,7 +46,7 @@
                 "gulp-typescript": "^6.0.0-alpha.1",
                 "gulp-zip": "^5.1.0",
                 "merge-stream": "^2.0.0",
-                "postcss": "^8.4.20",
+                "postcss": "^8.4.21",
                 "sass": "^1.57.1",
                 "terser": "^5.16.1",
                 "tsify": "^5.0.4",
@@ -11265,9 +11265,9 @@
             }
         },
         "node_modules/postcss": {
-            "version": "8.4.20",
-            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.20.tgz",
-            "integrity": "sha512-6Q04AXR1212bXr5fh03u8aAwbLxAQNGQ/Q1LNa0VfOI06ZAlhPHtQvE4OIdpj4kLThXilalPnmDSOD65DcHt+g==",
+            "version": "8.4.21",
+            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.21.tgz",
+            "integrity": "sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==",
             "dev": true,
             "funding": [
                 {
@@ -23698,9 +23698,9 @@
             "dev": true
         },
         "postcss": {
-            "version": "8.4.20",
-            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.20.tgz",
-            "integrity": "sha512-6Q04AXR1212bXr5fh03u8aAwbLxAQNGQ/Q1LNa0VfOI06ZAlhPHtQvE4OIdpj4kLThXilalPnmDSOD65DcHt+g==",
+            "version": "8.4.21",
+            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.21.tgz",
+            "integrity": "sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==",
             "dev": true,
             "requires": {
                 "nanoid": "^3.3.4",
diff --git a/package.json b/package.json
index 0c30472..2b65b43 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
         "gulp-typescript": "^6.0.0-alpha.1",
         "gulp-zip": "^5.1.0",
         "merge-stream": "^2.0.0",
-        "postcss": "^8.4.20",
+        "postcss": "^8.4.21",
         "sass": "^1.57.1",
         "terser": "^5.16.1",
         "tsify": "^5.0.4",