diff --git a/package.json b/package.json
index f58e602e..266db7e9 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "gry": "6.1.1",
     "natives": "1.1.6",
     "package.json": "^2.0.1",
-    "postcss": "8.5.1",
+    "postcss": "8.5.3",
     "react-bootstrap": "^2.10.5",
     "source-map": "^0.7.4",
     "webpack-dev-middleware": "7.4.2"
diff --git a/yarn.lock b/yarn.lock
index a8da363a..78036013 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -11630,10 +11630,10 @@ postcss@7.0.36:
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
-postcss@8.5.1, postcss@^8.2.15, postcss@^8.2.9, postcss@^8.3.11, postcss@^8.4.24:
-  version "8.5.1"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.1.tgz#e2272a1f8a807fafa413218245630b5db10a3214"
-  integrity sha512-6oz2beyjc5VMn/KV1pPw8fliQkhBXrVn1Z3TVyqZxU8kZpzEKhBdmCFqI6ZbmGtamQvQGuU1sgPTk8ZrXDD7jQ==
+postcss@8.5.3, postcss@^8.2.15, postcss@^8.2.9, postcss@^8.3.11, postcss@^8.4.24:
+  version "8.5.3"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.3.tgz#1463b6f1c7fb16fe258736cba29a2de35237eafb"
+  integrity sha512-dle9A3yYxlBSrt8Fu+IpjGT8SY8hN0mlaA6GY8t0P5PjIOZemULz/E2Bnm/2dcUOena75OTNkHI76uZBNUUq3A==
   dependencies:
     nanoid "^3.3.8"
     picocolors "^1.1.1"