diff --git a/package-lock.json b/package-lock.json
index 4411ed5..6456963 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "Apache-2.0",
       "dependencies": {
         "docsy": "^0.10.0",
-        "postcss": "^8.5.8"
+        "postcss": "^8.5.9"
       },
       "devDependencies": {
         "autoprefixer": "^10.4.24",
@@ -475,9 +475,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.8",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.8.tgz",
-      "integrity": "sha512-OW/rX8O/jXnm82Ey1k44pObPtdblfiuWnrd8X7GJ7emImCOstunGbXUpp7HdBrFQX6rJzn3sPT397Wp5aCwCHg==",
+      "version": "8.5.9",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.9.tgz",
+      "integrity": "sha512-7a70Nsot+EMX9fFU3064K/kdHWZqGVY+BADLyXc8Dfv+mTLLVl6JzJpPaCZ2kQL9gIJvKXSLMHhqdRRjwQeFtw==",
       "funding": [
         {
           "type": "opencollective",
@@ -1132,9 +1132,9 @@
       "dev": true
     },
     "postcss": {
-      "version": "8.5.8",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.8.tgz",
-      "integrity": "sha512-OW/rX8O/jXnm82Ey1k44pObPtdblfiuWnrd8X7GJ7emImCOstunGbXUpp7HdBrFQX6rJzn3sPT397Wp5aCwCHg==",
+      "version": "8.5.9",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.9.tgz",
+      "integrity": "sha512-7a70Nsot+EMX9fFU3064K/kdHWZqGVY+BADLyXc8Dfv+mTLLVl6JzJpPaCZ2kQL9gIJvKXSLMHhqdRRjwQeFtw==",
       "requires": {
         "nanoid": "^3.3.11",
         "picocolors": "^1.1.1",
diff --git a/package.json b/package.json
index 779d076..0e14625 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   "homepage": "https://github.com/OpenFunction/website#readme",
   "dependencies": {
     "docsy": "^0.10.0",
-    "postcss": "^8.5.8"
+    "postcss": "^8.5.9"
   },
   "devDependencies": {
     "autoprefixer": "^10.4.24",