diff --git a/package.json b/package.json
index 557f9dd9..6a107091 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "exports-loader": "^1.1.1",
     "jquery": "^3.7.1",
     "popper.js": "^1.16.1",
-    "postcss": "^8.4.49",
+    "postcss": "^8.5.1",
     "rails-ujs": "^5.2.8",
     "resolve-url-loader": "^5.0.0",
     "turbolinks": "^5.2.0"
diff --git a/yarn.lock b/yarn.lock
index 8c547b40..24c6111a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5544,7 +5544,7 @@ nan@^2.12.1:
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.22.0.tgz#31bc433fc33213c97bad36404bb68063de604de3"
   integrity sha512-nbajikzWTMwsW+eSsNm3QwlOs7het9gGJU5dDZzRTQGk03vyBOauxgI4VakDzE0PtsGTmXPsXTbbjVhRwR5mpw==
 
-nanoid@^3.3.7:
+nanoid@^3.3.8:
   version "3.3.8"
   resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.8.tgz#b1be3030bee36aaff18bacb375e5cce521684baf"
   integrity sha512-WNLf5Sd8oZxOm+TzppcYk8gVOgP+l58xNy58D0nbUnOxOWRWvlcCV4kUF7ltmI6PsrLl/BgKEyS4mqsGChFN0w==
@@ -6865,12 +6865,12 @@ postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.17, postcss@^7.0.2
     picocolors "^0.2.1"
     source-map "^0.6.1"
 
-postcss@^8.2.14, postcss@^8.4.21, postcss@^8.4.28, postcss@^8.4.32, postcss@^8.4.49:
-  version "8.4.49"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.49.tgz#4ea479048ab059ab3ae61d082190fabfd994fe19"
-  integrity sha512-OCVPnIObs4N29kxTjzLfUryOkvZEq+pf8jTF0lg8E7uETuWHA+v7j3c/xJmiqpX450191LlmZfUKkXxkTry7nA==
+postcss@^8.2.14, postcss@^8.4.21, postcss@^8.4.28, postcss@^8.4.32, postcss@^8.5.1:
+  version "8.5.1"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.1.tgz#e2272a1f8a807fafa413218245630b5db10a3214"
+  integrity sha512-6oz2beyjc5VMn/KV1pPw8fliQkhBXrVn1Z3TVyqZxU8kZpzEKhBdmCFqI6ZbmGtamQvQGuU1sgPTk8ZrXDD7jQ==
   dependencies:
-    nanoid "^3.3.7"
+    nanoid "^3.3.8"
     picocolors "^1.1.1"
     source-map-js "^1.2.1"