diff --git a/package-lock.json b/package-lock.json
index 12435d9..4afb060 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,7 +23,7 @@
         "mithril": "^2.0.4",
         "pako": "^1.0.11",
         "php-parser": "^3.0.3",
-        "postcss": "^8.4.7",
+        "postcss": "^8.4.12",
         "postcss-import": "^14.0.2",
         "reflect-metadata": "^0.1.13",
         "tslib": "^1.14.1",
@@ -6870,9 +6870,19 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.7",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.7.tgz",
-      "integrity": "sha512-L9Ye3r6hkkCeOETQX6iOaWZgjp3LL6Lpqm6EtgbKrgqGGteRMNb9vzBfRL96YOSu8o7x3MfIH9Mo5cPJFGrW6A==",
+      "version": "8.4.12",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.12.tgz",
+      "integrity": "sha512-lg6eITwYe9v6Hr5CncVbK70SoioNQIq81nsaG86ev5hAidQvmOeETBqs7jm43K2F5/Ley3ytDtriImV6TpNiSg==",
+      "funding": [
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/postcss/"
+        },
+        {
+          "type": "tidelift",
+          "url": "https://tidelift.com/funding/github/npm/postcss"
+        }
+      ],
       "dependencies": {
         "nanoid": "^3.3.1",
         "picocolors": "^1.0.0",
@@ -6880,10 +6890,6 @@
       },
       "engines": {
         "node": "^10 || ^12 || >=14"
-      },
-      "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/postcss/"
       }
     },
     "node_modules/postcss-import": {
@@ -12834,9 +12840,9 @@
       }
     },
     "postcss": {
-      "version": "8.4.7",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.7.tgz",
-      "integrity": "sha512-L9Ye3r6hkkCeOETQX6iOaWZgjp3LL6Lpqm6EtgbKrgqGGteRMNb9vzBfRL96YOSu8o7x3MfIH9Mo5cPJFGrW6A==",
+      "version": "8.4.12",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.12.tgz",
+      "integrity": "sha512-lg6eITwYe9v6Hr5CncVbK70SoioNQIq81nsaG86ev5hAidQvmOeETBqs7jm43K2F5/Ley3ytDtriImV6TpNiSg==",
       "requires": {
         "nanoid": "^3.3.1",
         "picocolors": "^1.0.0",
diff --git a/package.json b/package.json
index 0a42116..78ed6e9 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "mithril": "^2.0.4",
     "pako": "^1.0.11",
     "php-parser": "^3.0.3",
-    "postcss": "^8.4.7",
+    "postcss": "^8.4.12",
     "postcss-import": "^14.0.2",
     "reflect-metadata": "^0.1.13",
     "tslib": "^1.14.1",