diff --git a/package.json b/package.json
index 24f57f97be..34849378a3 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "jotai": "2.17.1",
     "jotai-family": "1.0.1",
     "nanoid": "5.1.6",
-    "postcss": "8.5.6",
+    "postcss": "8.5.10",
     "postcss-cli": "11.0.1",
     "prettier": "3.8.1",
     "prop-types": "15.8.1",
diff --git a/yarn.lock b/yarn.lock
index 5cd614ed86..d17db736ea 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7011,19 +7011,10 @@ postcss-value-parser@^4.2.0:
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz#723c09920836ba6d3e5af019f92bc0971c02e514"
   integrity sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==
 
-postcss@8.5.6, postcss@^8.5.6:
-  version "8.5.6"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.6.tgz#2825006615a619b4f62a9e7426cc120b349a8f3c"
-  integrity sha512-3Ybi1tAuwAP9s0r1UQ2J4n5Y0G05bJkpUIO0/bI9MhwmD70S5aTWbXGBwxHrelT+XM1k6dM0pk+SwNkpTRN7Pg==
-  dependencies:
-    nanoid "^3.3.11"
-    picocolors "^1.1.1"
-    source-map-js "^1.2.1"
-
-postcss@^8.5.8:
-  version "8.5.8"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.8.tgz#6230ecc8fb02e7a0f6982e53990937857e13f399"
-  integrity sha512-OW/rX8O/jXnm82Ey1k44pObPtdblfiuWnrd8X7GJ7emImCOstunGbXUpp7HdBrFQX6rJzn3sPT397Wp5aCwCHg==
+postcss@8.5.10, postcss@^8.5.6, postcss@^8.5.8:
+  version "8.5.10"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.10.tgz#8992d8c30acf3f12169e7c09514a12fed7e48356"
+  integrity sha512-pMMHxBOZKFU6HgAZ4eyGnwXF/EvPGGqUr0MnZ5+99485wwW41kW91A4LOGxSHhgugZmSChL5AlElNdwlNgcnLQ==
   dependencies:
     nanoid "^3.3.11"
     picocolors "^1.1.1"