diff --git a/package.json b/package.json
index 2fe0efec..094846c0 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
 		"postcss-easy-import": "4.0.0",
 		"postcss-flexbugs-fixes": "5.0.2",
 		"postcss-loader": "8.2.1",
-		"postcss-merge-rules": "8.0.5",
+		"postcss-merge-rules": "9.0.2",
 		"postcss-normalize": "13.0.1",
 		"postcss-url": "10.1.4",
 		"postcss-utilities": "0.8.4",
diff --git a/yarn.lock b/yarn.lock
index 51a4b03e..45508cb1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2845,6 +2845,11 @@ cssnano-utils@^6.0.4:
   resolved "https://registry.yarnpkg.com/cssnano-utils/-/cssnano-utils-6.0.4.tgz#f2f5e6c7746e2e5cd9873bb5b45ae160cbe5d0e1"
   integrity sha512-j1z2mW4MqtcGM4I8TxXAdOXUifp1DZ5/bZnyYnCpHlzQ/ilCj2voLxE0aqEKnBDA5hF6HahSY13JU8kyZ1s8Mg==
 
+cssnano-utils@^7.0.1:
+  version "7.0.1"
+  resolved "https://registry.yarnpkg.com/cssnano-utils/-/cssnano-utils-7.0.1.tgz#b69561cb35cf78b74eaf66d4f42091102c42cbdc"
+  integrity sha512-zeihe+mPmJTk0vZRGVRB/mRhA3rVUKp7JM1oBZ0207MwSuin0PH/21ALoHKd4lxFfhCkEioW3hwtzbSO1uUrHQ==
+
 cssnano@8.0.10:
   version "8.0.10"
   resolved "https://registry.yarnpkg.com/cssnano/-/cssnano-8.0.10.tgz#50394a609d6e5bc834ebbabd129dc9eeeb8975a2"
@@ -6537,7 +6542,17 @@ postcss-merge-longhand@^8.0.4:
     postcss-value-parser "^4.2.0"
     stylehacks "^8.0.4"
 
-postcss-merge-rules@8.0.5, postcss-merge-rules@^8.0.5:
+postcss-merge-rules@9.0.2:
+  version "9.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-merge-rules/-/postcss-merge-rules-9.0.2.tgz#ba8cdee9b2fbfd96bf349517acf9d3a7f34a9279"
+  integrity sha512-a+0yOXEGmfAuxZ2kdJzU4jtdEbkk8xwok4BIdz98nKCs/tMNq22kG4bXbjMhT45IyB6YkiOs6ad72uwV0T26ug==
+  dependencies:
+    browserslist "^4.28.8"
+    caniuse-api "^4.0.0"
+    cssnano-utils "^7.0.1"
+    postcss-selector-parser "^7.1.5"
+
+postcss-merge-rules@^8.0.5:
   version "8.0.5"
   resolved "https://registry.yarnpkg.com/postcss-merge-rules/-/postcss-merge-rules-8.0.5.tgz#e1d8d3cbff50217b5d1dba816229e31b5a32c36e"
   integrity sha512-jz+QaKz4VhjsqTVsJMRuH+EvrX1F9l6kYFuF8g6geVxFoYnPEZN4G+zqCb6zhxOIcc2aeAo38XEl2pOIZi2gBw==