diff --git a/package.json b/package.json
index 18f3f999..987587f0 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   "devDependencies": {
     "jasmine-browser-runner": "^2.5.0",
     "jasmine-core": "^5.2.0",
-    "postcss": "^8.4.41",
+    "postcss": "^8.4.45",
     "standardx": "^7.0.0",
     "stylelint": "^16.8.2",
     "stylelint-config-gds": "^2.0.0"
diff --git a/yarn.lock b/yarn.lock
index 0eb226fe..a643b2fc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2757,6 +2757,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"postcss@npm:^8.4.45":
+  version: 8.4.45
+  resolution: "postcss@npm:8.4.45"
+  dependencies:
+    nanoid: "npm:^3.3.7"
+    picocolors: "npm:^1.0.1"
+    source-map-js: "npm:^1.2.0"
+  checksum: ad6f8b9b1157d678560373696109745ab97a947d449f8a997acac41c7f1e4c0f3ca4b092d6df1387f430f2c9a319987b1780dbdc27e35800a88cde9b606c1e8f
+  languageName: node
+  linkType: hard
+
 "prelude-ls@npm:^1.2.1":
   version: 1.2.1
   resolution: "prelude-ls@npm:1.2.1"
@@ -3071,7 +3082,7 @@ __metadata:
   dependencies:
     jasmine-browser-runner: "npm:^2.5.0"
     jasmine-core: "npm:^5.2.0"
-    postcss: "npm:^8.4.41"
+    postcss: "npm:^8.4.45"
     standardx: "npm:^7.0.0"
     stylelint: "npm:^16.8.2"
     stylelint-config-gds: "npm:^2.0.0"