diff --git a/package.json b/package.json
index 3b44f8cfe9..9c3ce44e25 100644
--- a/package.json
+++ b/package.json
@@ -126,7 +126,7 @@
     "madge": "8.0.0",
     "npm-run-all2": "6.2.2",
     "playwright": "1.46.1",
-    "postcss": "8.4.44",
+    "postcss": "8.4.45",
     "prettier": "3.3.3",
     "react": "18.3.1",
     "rollup-plugin-postcss-lit": "2.1.0",
diff --git a/yarn.lock b/yarn.lock
index 24cd94686b..7ac4a2123a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8613,10 +8613,10 @@ postcss-values-parser@^6.0.2:
     is-url-superb "^4.0.0"
     quote-unquote "^1.0.0"
 
-postcss@8.4.44, postcss@^8.4.43:
-  version "8.4.44"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.44.tgz#d56834ef6508610ba224bb22b2457b2169ed0480"
-  integrity sha512-Aweb9unOEpQ3ezu4Q00DPvvM2ZTUitJdNKeP/+uQgr1IBIqu574IaZoURId7BKtWMREwzKa9OgzPzezWGPWFQw==
+postcss@8.4.45:
+  version "8.4.45"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.45.tgz#538d13d89a16ef71edbf75d895284ae06b79e603"
+  integrity sha512-7KTLTdzdZZYscUc65XmjFiB73vBhBfbPztCYdUNvlaso9PrzjzcmjqBPR0lNGkcVlcO4BjiO5rK/qNz+XAen1Q==
   dependencies:
     nanoid "^3.3.7"
     picocolors "^1.0.1"
@@ -8631,6 +8631,15 @@ postcss@^8.4.40, postcss@^8.4.41:
     picocolors "^1.0.1"
     source-map-js "^1.2.0"
 
+postcss@^8.4.43:
+  version "8.4.44"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.44.tgz#d56834ef6508610ba224bb22b2457b2169ed0480"
+  integrity sha512-Aweb9unOEpQ3ezu4Q00DPvvM2ZTUitJdNKeP/+uQgr1IBIqu574IaZoURId7BKtWMREwzKa9OgzPzezWGPWFQw==
+  dependencies:
+    nanoid "^3.3.7"
+    picocolors "^1.0.1"
+    source-map-js "^1.2.0"
+
 precinct@^12.0.2:
   version "12.1.2"
   resolved "https://registry.yarnpkg.com/precinct/-/precinct-12.1.2.tgz#e6982e5fc90a0f1b6696f3a96acbd91cd6b3c841"