diff --git a/package-lock.json b/package-lock.json
index 65ac84f66..4ee9e639b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -94,7 +94,7 @@
         "html-loader": "4.2.0",
         "html-webpack-plugin": "5.5.0",
         "mini-css-extract-plugin": "2.7.2",
-        "postcss": "8.4.20",
+        "postcss": "8.4.21",
         "postcss-loader": "7.0.2",
         "postcss-preset-env": "7.8.3",
         "postcss-scss": "4.0.6",
@@ -10897,9 +10897,9 @@
       }
     },
     "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": [
         {
@@ -26758,9 +26758,9 @@
       "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 8dd6e5ca9..25c46e7da 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "html-loader": "4.2.0",
     "html-webpack-plugin": "5.5.0",
     "mini-css-extract-plugin": "2.7.2",
-    "postcss": "8.4.20",
+    "postcss": "8.4.21",
     "postcss-loader": "7.0.2",
     "postcss-preset-env": "7.8.3",
     "postcss-scss": "4.0.6",