diff --git a/documentation/package.json b/documentation/package.json
index 4e0cd2ad..790b0f87 100644
--- a/documentation/package.json
+++ b/documentation/package.json
@@ -65,7 +65,7 @@
         "eslint": "^10.0.0",
         "jest": "^27.4.5",
         "npm-run-all": "^4.1.5",
-        "postcss": "^8.4.31",
+        "postcss": "^8.5.18",
         "postcss-preset-env": "^9.2.0",
         "puppeteer": "^19.5.0",
         "rollup-plugin-string": "3.0.0",
diff --git a/yarn.lock b/yarn.lock
index 8b125ff6..7fa14127 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2518,7 +2518,7 @@ __metadata:
     markdown-it: "npm:14.2.0"
     markdown-it-anchor: "npm:9.2.1"
     npm-run-all: "npm:^4.1.5"
-    postcss: "npm:^8.4.31"
+    postcss: "npm:^8.5.18"
     postcss-preset-env: "npm:^9.2.0"
     puppeteer: "npm:^19.5.0"
     rollup-plugin-string: "npm:3.0.0"
@@ -9468,7 +9468,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:^8.4.31, postcss@npm:^8.5.10":
+"postcss@npm:^8.5.10":
   version: 8.5.16
   resolution: "postcss@npm:8.5.16"
   dependencies:
@@ -9479,6 +9479,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"postcss@npm:^8.5.18":
+  version: 8.5.18
+  resolution: "postcss@npm:8.5.18"
+  dependencies:
+    nanoid: "npm:^3.3.12"
+    picocolors: "npm:^1.1.1"
+    source-map-js: "npm:^1.2.1"
+  checksum: b43f2d2493d82dc43fa50d21cf184bf3b66229e7f53fa1dedc7b8a7c4cecd7ac8ee18fad099f47570da7f78bbf46997a4c6e6c87d8d8ece683dc1f32cda6db3b
+  languageName: node
+  linkType: hard
+
 "preferred-pm@npm:^3.0.0":
   version: 3.0.3
   resolution: "preferred-pm@npm:3.0.3"