diff --git a/apps/campus/package.json b/apps/campus/package.json
index 0fbba0d32..7db11fb9d 100644
--- a/apps/campus/package.json
+++ b/apps/campus/package.json
@@ -41,7 +41,7 @@
     "eslint-plugin-prettier": "4.0.0",
     "eslint-plugin-react": "7.29.4",
     "eslint-plugin-react-hooks": "4.3.0",
-    "postcss": "8.4.8",
+    "postcss": "8.4.23",
     "prettier": "2.5.1",
     "prettier-eslint": "13.0.0",
     "prop-types": "^15.8.1",
diff --git a/apps/feeds/package.json b/apps/feeds/package.json
index fef8282cb..6a2b85afb 100644
--- a/apps/feeds/package.json
+++ b/apps/feeds/package.json
@@ -46,7 +46,7 @@
     "eslint-plugin-prettier": "4.0.0",
     "img-loader": "4.0.0",
     "next-transpile-modules": "9.0.0",
-    "postcss": "8.4.14",
+    "postcss": "8.4.23",
     "raw-loader": "4.0.2",
     "tailwindcss": "3.0.24",
     "typescript": "4.7.3",
diff --git a/apps/root/package.json b/apps/root/package.json
index b3e306e1c..a00314dec 100644
--- a/apps/root/package.json
+++ b/apps/root/package.json
@@ -47,7 +47,7 @@
     "eslint-plugin-react": "7.30.0",
     "eslint-plugin-react-hooks": "4.5.0",
     "i18next": "21.8.9",
-    "postcss": "8.4.14",
+    "postcss": "8.4.23",
     "prettier": "2.6.2",
     "prettier-eslint": "15.0.1",
     "prop-types": "15.8.1",
diff --git a/apps/syllabus/package.json b/apps/syllabus/package.json
index 03af69ed4..bd98ff65e 100644
--- a/apps/syllabus/package.json
+++ b/apps/syllabus/package.json
@@ -45,7 +45,7 @@
     "eslint-plugin-prettier": "4.0.0",
     "eslint-plugin-react": "7.30.0",
     "eslint-plugin-react-hooks": "4.5.0",
-    "postcss": "8.4.14",
+    "postcss": "8.4.23",
     "prettier": "2.6.2",
     "prettier-eslint": "15.0.1",
     "sass": "1.52.2",