diff --git a/package-lock.json b/package-lock.json
index 78e8494442..445721e70f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -37,7 +37,7 @@
         "monaco-editor": "0.52.2",
         "monaco-editor-webpack-plugin": "7.1.0",
         "pdfobject": "2.3.0",
-        "postcss": "8.4.49",
+        "postcss": "8.5.1",
         "postcss-loader": "8.1.1",
         "postcss-nesting": "13.0.1",
         "pretty-ms": "9.0.0",
@@ -89,7 +89,7 @@
         "happy-dom": "16.3.0",
         "license-checker-rseidelsohn": "4.4.2",
         "markdownlint-cli": "0.43.0",
-        "postcss-html": "1.7.0",
+        "postcss-html": "1.8.0",
         "stylelint": "16.12.0",
         "stylelint-declaration-block-no-ignored-properties": "2.8.0",
         "stylelint-declaration-strict-value": "1.10.6",
@@ -11867,9 +11867,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.49",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.49.tgz",
-      "integrity": "sha512-OCVPnIObs4N29kxTjzLfUryOkvZEq+pf8jTF0lg8E7uETuWHA+v7j3c/xJmiqpX450191LlmZfUKkXxkTry7nA==",
+      "version": "8.5.1",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.1.tgz",
+      "integrity": "sha512-6oz2beyjc5VMn/KV1pPw8fliQkhBXrVn1Z3TVyqZxU8kZpzEKhBdmCFqI6ZbmGtamQvQGuU1sgPTk8ZrXDD7jQ==",
       "funding": [
         {
           "type": "opencollective",
@@ -11886,7 +11886,7 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "nanoid": "^3.3.7",
+        "nanoid": "^3.3.8",
         "picocolors": "^1.1.1",
         "source-map-js": "^1.2.1"
       },
@@ -11895,15 +11895,15 @@
       }
     },
     "node_modules/postcss-html": {
-      "version": "1.7.0",
-      "resolved": "https://registry.npmjs.org/postcss-html/-/postcss-html-1.7.0.tgz",
-      "integrity": "sha512-MfcMpSUIaR/nNgeVS8AyvyDugXlADjN9AcV7e5rDfrF1wduIAGSkL4q2+wgrZgA3sHVAHLDO9FuauHhZYW2nBw==",
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/postcss-html/-/postcss-html-1.8.0.tgz",
+      "integrity": "sha512-5mMeb1TgLWoRKxZ0Xh9RZDfwUUIqRrcxO2uXO+Ezl1N5lqpCiSU5Gk6+1kZediBfBHFtPCdopr2UZ2SgUsKcgQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "htmlparser2": "^8.0.0",
         "js-tokens": "^9.0.0",
-        "postcss": "^8.4.0",
+        "postcss": "^8.5.0",
         "postcss-safe-parser": "^6.0.0"
       },
       "engines": {
diff --git a/package.json b/package.json
index 259a744c2b..95129444fb 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "monaco-editor": "0.52.2",
     "monaco-editor-webpack-plugin": "7.1.0",
     "pdfobject": "2.3.0",
-    "postcss": "8.4.49",
+    "postcss": "8.5.1",
     "postcss-loader": "8.1.1",
     "postcss-nesting": "13.0.1",
     "pretty-ms": "9.0.0",
@@ -88,7 +88,7 @@
     "happy-dom": "16.3.0",
     "license-checker-rseidelsohn": "4.4.2",
     "markdownlint-cli": "0.43.0",
-    "postcss-html": "1.7.0",
+    "postcss-html": "1.8.0",
     "stylelint": "16.12.0",
     "stylelint-declaration-block-no-ignored-properties": "2.8.0",
     "stylelint-declaration-strict-value": "1.10.6",