diff --git a/package.json b/package.json
index ef723bb531..21e4d9c840 100644
--- a/package.json
+++ b/package.json
@@ -121,7 +121,7 @@
     "cssnano": "7.1.4",
     "mini-css-extract-plugin": "2.7.6",
     "nodemon": "3.0.1",
-    "postcss": "8.5.8",
+    "postcss": "8.5.20",
     "postcss-reporter": "7.0.5",
     "zod": "4.1.11",
     "zod-validation-error": "4.0.1",
diff --git a/yarn.lock b/yarn.lock
index 5b2861668d..9d3056a1cd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -25046,12 +25046,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"nanoid@npm:^3.3.11":
-  version: 3.3.11
-  resolution: "nanoid@npm:3.3.11"
+"nanoid@npm:^3.3.16":
+  version: 3.3.16
+  resolution: "nanoid@npm:3.3.16"
   bin:
     nanoid: bin/nanoid.cjs
-  checksum: 10c0/40e7f70b3d15f725ca072dfc4f74e81fcf1fbb02e491cf58ac0c79093adc9b0a73b152bcde57df4b79cd097e13023d7504acb38404a4da7bc1cd8e887b82fe0b
+  checksum: 10c0/bbf2dcffe22d2b62d16de2711752070b539c0f644c7916f823ad6521986b2078cbe524f2d6240f58c46e9141ea0c7b87a029e100c0f7f175228cacaf30e41bba
   languageName: node
   linkType: hard
 
@@ -27825,14 +27825,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:8.5.8":
-  version: 8.5.8
-  resolution: "postcss@npm:8.5.8"
+"postcss@npm:8.5.20":
+  version: 8.5.20
+  resolution: "postcss@npm:8.5.20"
   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/dd918f7127ee7c60a0295bae2e72b3787892296e1d1c3c564d7a2a00c68d8df83cadc3178491259daa19ccc54804fb71ed8c937c6787e08d8bd4bedf8d17044c
+  checksum: 10c0/9c7a0e32c77ac54c5613f974e6ccc97d4a70fdb3bf242617f3fb4d652e5c62a37c86c589e6e7a2d1e7120f80bc169cdf673482b88bd75020d2a44899fa569c13
   languageName: node
   linkType: hard