diff --git a/package-lock.json b/package-lock.json
index 25b21daf..493a6f15 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -105,7 +105,7 @@
         "npm-run-all": "^4.1.5",
         "oauth2-server": "^2.4.1",
         "open": "^8.2.0",
-        "postcss": "=8.2.15",
+        "postcss": "=8.3.5",
         "postcss-loader": "=4.3.0",
         "postcss-preset-env": "=6.7.0",
         "prettier": "^2.3.0",
@@ -25771,17 +25771,21 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.2.15",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.15.tgz",
-      "integrity": "sha512-2zO3b26eJD/8rb106Qu2o7Qgg52ND5HPjcyQiK2B98O388h43A448LCslC0dI2P97wCAQRJsFvwTRcXxTKds+Q==",
+      "version": "8.3.5",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.5.tgz",
+      "integrity": "sha512-NxTuJocUhYGsMiMFHDUkmjSKT3EdH4/WbGF6GCi1NDGk+vbcUTun4fpbOqaPtD8IIsztA2ilZm2DhYCuyN58gA==",
       "dev": true,
       "dependencies": {
         "colorette": "^1.2.2",
         "nanoid": "^3.1.23",
-        "source-map": "^0.6.1"
+        "source-map-js": "^0.6.2"
       },
       "engines": {
         "node": "^10 || ^12 || >=14"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/postcss/"
       }
     },
     "node_modules/postcss-attribute-case-insensitive": {
@@ -30693,6 +30697,15 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/source-map-js": {
+      "version": "0.6.2",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-0.6.2.tgz",
+      "integrity": "sha512-/3GptzWzu0+0MBQFrDKzw/DvvMTUORvgY6k6jd/VS6iCR4RDTKWH6v6WPwQoUO8667uQEf9Oe38DxAYWY5F/Ug==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/source-map-resolve": {
       "version": "0.5.2",
       "resolved": "https://registry.npmjs.org/source-map-resolve/-/source-map-resolve-0.5.2.tgz",
@@ -55650,14 +55663,14 @@
       "dev": true
     },
     "postcss": {
-      "version": "8.2.15",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.15.tgz",
-      "integrity": "sha512-2zO3b26eJD/8rb106Qu2o7Qgg52ND5HPjcyQiK2B98O388h43A448LCslC0dI2P97wCAQRJsFvwTRcXxTKds+Q==",
+      "version": "8.3.5",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.5.tgz",
+      "integrity": "sha512-NxTuJocUhYGsMiMFHDUkmjSKT3EdH4/WbGF6GCi1NDGk+vbcUTun4fpbOqaPtD8IIsztA2ilZm2DhYCuyN58gA==",
       "dev": true,
       "requires": {
         "colorette": "^1.2.2",
         "nanoid": "^3.1.23",
-        "source-map": "^0.6.1"
+        "source-map-js": "^0.6.2"
       },
       "dependencies": {
         "nanoid": {
@@ -59653,6 +59666,12 @@
       "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
       "dev": true
     },
+    "source-map-js": {
+      "version": "0.6.2",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-0.6.2.tgz",
+      "integrity": "sha512-/3GptzWzu0+0MBQFrDKzw/DvvMTUORvgY6k6jd/VS6iCR4RDTKWH6v6WPwQoUO8667uQEf9Oe38DxAYWY5F/Ug==",
+      "dev": true
+    },
     "source-map-resolve": {
       "version": "0.5.2",
       "resolved": "https://registry.npmjs.org/source-map-resolve/-/source-map-resolve-0.5.2.tgz",
diff --git a/package.json b/package.json
index 32297696..70f5cab4 100644
--- a/package.json
+++ b/package.json
@@ -155,7 +155,7 @@
     "npm-run-all": "^4.1.5",
     "oauth2-server": "^2.4.1",
     "open": "^8.2.0",
-    "postcss": "=8.2.15",
+    "postcss": "=8.3.5",
     "postcss-loader": "=4.3.0",
     "postcss-preset-env": "=6.7.0",
     "prettier": "^2.3.0",