diff --git a/package.json b/package.json
index cf179463e6..4ee024950e 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
     "http-proxy-middleware": "3.0.7",
     "lucide-react": "1.7.0",
     "permissions-policy": "0.6.0",
-    "postcss": "8.5.14",
+    "postcss": "8.5.23",
     "postcss-nested": "7.0.2",
     "prismjs": "1.30.0",
     "react": "19.2.4",
diff --git a/yarn.lock b/yarn.lock
index 4dd51999d1..47fe5db38c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -14295,6 +14295,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"nanoid@npm:^3.3.16":
+  version: 3.3.19
+  resolution: "nanoid@npm:3.3.19"
+  bin:
+    nanoid: bin/nanoid.cjs
+  checksum: 10c0/ce7afa6258bfaa00bdc8de291cfe9913280eaa403b7d9cff3db4e4200c1913e7163577df74897958da144db473a96c67f74f57db0f542fbfe409df677bae3255
+  languageName: node
+  linkType: hard
+
 "napi-build-utils@npm:^2.0.0":
   version: 2.0.0
   resolution: "napi-build-utils@npm:2.0.0"
@@ -15762,14 +15771,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:8.5.14":
-  version: 8.5.14
-  resolution: "postcss@npm:8.5.14"
+"postcss@npm:8.5.23":
+  version: 8.5.23
+  resolution: "postcss@npm:8.5.23"
   dependencies:
-    nanoid: "npm:^3.3.11"
+    nanoid: "npm:^3.3.16"
     picocolors: "npm:^1.1.1"
     source-map-js: "npm:^1.2.1"
-  checksum: 10c0/48138207cf5ef5581be1bfe2cb65ccfe0ac75e43888ba045afc8ed6043d7b56aeb3b9a9fe5b353ff554be943cd0cc15d826ccb991525159175971e5ee8ab0237
+  checksum: 10c0/ed714e635b330bb42666ecdd0c0b4f30224ded15b0b0052d6bc2b92832f2cf17d1c1141359453f96f0a84f8fbf4c405a74df187f559163b8f31131b2535455aa
   languageName: node
   linkType: hard
 
@@ -20078,7 +20087,7 @@ __metadata:
     lucide-react: "npm:1.7.0"
     nodemon: "npm:3.1.14"
     permissions-policy: "npm:0.6.0"
-    postcss: "npm:8.5.14"
+    postcss: "npm:8.5.23"
     postcss-nested: "npm:7.0.2"
     prettier: "npm:3.8.1"
     prismjs: "npm:1.30.0"