diff --git a/package.json b/package.json
index a94ddbb..d7c8e48 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
         "jsdom": "^29.1.1",
         "markdownlint-cli2": "^0.22.1",
         "npm-run-all": "^4.1.5",
-        "postcss": "^8.5.6",
+        "postcss": "^8.5.23",
         "prettier": "^3.8.4",
         "tailwindcss": "^4.3.1",
         "terser": "^5.43.1",
diff --git a/yarn.lock b/yarn.lock
index 290de1c..3867ecc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3478,10 +3478,10 @@ ms@^2.1.3:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.3.tgz#574c8138ce1d2b5861f0b44579dbadd60c6615b2"
   integrity sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==
 
-nanoid@^3.3.12:
-  version "3.3.12"
-  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.12.tgz#ab3d912e217a6d0a514f00a72a16543a28982c05"
-  integrity sha512-ZB9RH/39qpq5Vu6Y+NmUaFhQR6pp+M2Xt76XBnEwDaGcVAqhlvxrl3B2bKS5D3NH3QR76v3aSrKaF/Kiy7lEtQ==
+nanoid@^3.3.12, nanoid@^3.3.16:
+  version "3.3.17"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.17.tgz#f1c3aa253c52547956a52c50bff754316f61037a"
+  integrity sha512-xQLf0A3HOMlgHq0n247/LRuAOYmB7dXJ/DvAxGvsSBij45XtBSmQycu+F8ODbHwns/XyFZagyL1+J0Offw1E0g==
 
 natural-compare@^1.4.0:
   version "1.4.0"
@@ -3737,7 +3737,7 @@ possible-typed-array-names@^1.0.0:
   resolved "https://registry.yarnpkg.com/possible-typed-array-names/-/possible-typed-array-names-1.1.0.tgz#93e3582bc0e5426586d9d07b79ee40fc841de4ae"
   integrity sha512-/+5VFTchJDoVj3bhoqi6UeymcD00DAwb1nJwamzPvHEszJ4FpF6SNNbUbOS8yI56qHzdV8eK0qEfOSiodkTdxg==
 
-postcss@8.5.15, postcss@^8.5.15, postcss@^8.5.6:
+postcss@8.5.15:
   version "8.5.15"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.15.tgz#d1eaf677a324e9ec02196da2d3fecf4a0b9a735c"
   integrity sha512-FfR8sjd4em2T6fb3I2MwAJU7HWVMr9zba+enmQeeWFfCbm+UOC/0X4DS8XtpUTMwWMGbjKYP7xjfNekzyGmB3A==
@@ -3746,6 +3746,15 @@ postcss@8.5.15, postcss@^8.5.15, postcss@^8.5.6:
     picocolors "^1.1.1"
     source-map-js "^1.2.1"
 
+postcss@^8.5.15, postcss@^8.5.23:
+  version "8.5.23"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.23.tgz#3493550116f478487298301d2c2e8dc5a56e6594"
+  integrity sha512-g50586zr4bZmwFiTlflMu8E0bDTb5I5gertgwAKmsdUlTQIhZtunzUlD1WSzwcVWPoAVpsrA6vlfCD7oXvRwgg==
+  dependencies:
+    nanoid "^3.3.16"
+    picocolors "^1.1.1"
+    source-map-js "^1.2.1"
+
 prelude-ls@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.2.1.tgz#debc6489d7a6e6b0e7611888cec880337d316396"