diff --git a/package.json b/package.json
index 72c797967b..f3ae610cbd 100644
--- a/package.json
+++ b/package.json
@@ -129,6 +129,7 @@
     "sjcl": "npm:@bitgo/sjcl@1.0.1",
     "picomatch": ">=2.3.2",
     "fast-uri": "3.1.3",
+    "postcss": "8.5.12",
     "@babel/plugin-transform-modules-systemjs": "7.29.4",
     "protobufjs": "7.6.4",
     "@protobufjs/fetch": "1.1.0",
@@ -200,6 +201,7 @@
     "sjcl": "npm:@bitgo/sjcl@1.0.1",
     "picomatch": ">=2.3.2",
     "fast-uri": "3.1.3",
+    "postcss": "8.5.12",
     "@babel/plugin-transform-modules-systemjs": "7.29.4",
     "protobufjs": "7.6.4",
     "@protobufjs/fetch": "1.1.0",
diff --git a/yarn.lock b/yarn.lock
index df295d9360..e78d7ef1f2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -17313,10 +17313,10 @@ postcss-value-parser@^4.0.2, postcss-value-parser@^4.1.0, postcss-value-parser@^
   resolved "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz"
   integrity sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==
 
-postcss@^8.2.14, postcss@^8.2.15, postcss@^8.3.11, postcss@^8.5.6:
-  version "8.5.10"
-  resolved "https://registry.npmjs.org/postcss/-/postcss-8.5.10.tgz#8992d8c30acf3f12169e7c09514a12fed7e48356"
-  integrity sha512-pMMHxBOZKFU6HgAZ4eyGnwXF/EvPGGqUr0MnZ5+99485wwW41kW91A4LOGxSHhgugZmSChL5AlElNdwlNgcnLQ==
+postcss@8.5.12, postcss@^8.2.14, postcss@^8.2.15, postcss@^8.3.11, postcss@^8.5.6:
+  version "8.5.12"
+  resolved "https://registry.npmjs.org/postcss/-/postcss-8.5.12.tgz#cd0c0f667f7cb0521e2313234ea6e707a9ec1ddb"
+  integrity sha512-W62t/Se6rA0Az3DfCL0AqJwXuKwBeYg6nOaIgzP+xZ7N5BFCI7DYi1qs6ygUYT6rvfi6t9k65UMLJC+PHZpDAA==
   dependencies:
     nanoid "^3.3.11"
     picocolors "^1.1.1"