diff --git a/war/package.json b/war/package.json
index 7fc45bed2cd5..f708c2e6a4fa 100644
--- a/war/package.json
+++ b/war/package.json
@@ -34,7 +34,7 @@
     "eslint-config-prettier": "9.1.0",
     "handlebars-loader": "1.7.3",
     "mini-css-extract-plugin": "2.8.0",
-    "postcss": "8.4.33",
+    "postcss": "8.4.34",
     "postcss-loader": "8.1.0",
     "postcss-preset-env": "9.3.0",
     "postcss-scss": "4.0.9",
diff --git a/war/yarn.lock b/war/yarn.lock
index fc371ccb2c73..6f26fe9159d3 100644
--- a/war/yarn.lock
+++ b/war/yarn.lock
@@ -4341,7 +4341,7 @@ __metadata:
     jquery: "npm:3.7.1"
     lodash: "npm:4.17.21"
     mini-css-extract-plugin: "npm:2.8.0"
-    postcss: "npm:8.4.33"
+    postcss: "npm:8.4.34"
     postcss-loader: "npm:8.1.0"
     postcss-preset-env: "npm:9.3.0"
     postcss-scss: "npm:4.0.9"
@@ -6012,14 +6012,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:8.4.33, postcss@npm:^8.4.33":
-  version: 8.4.33
-  resolution: "postcss@npm:8.4.33"
+"postcss@npm:8.4.34, postcss@npm:^8.4.33":
+  version: 8.4.34
+  resolution: "postcss@npm:8.4.34"
   dependencies:
     nanoid: "npm:^3.3.7"
     picocolors: "npm:^1.0.0"
     source-map-js: "npm:^1.0.2"
-  checksum: 10c0/16eda83458fcd8a91bece287b5920c7f57164c3ea293e6c80d0ea71ce7843007bcd8592260a5160b9a7f02693e6ac93e2495b02d8c7596d3f3f72c1447e3ba79
+  checksum: 10c0/4d6f072cdfdc1ced16b4336263d830f8b4397fc47b9b382e02f6448fda9386d881aa9d27fbe0dd124f59c76f3a5da4f360919d25dfc818eca50b48f042af35a8
   languageName: node
   linkType: hard