diff --git a/package.json b/package.json
index 9f95f4467a1..e5a275e5122 100644
--- a/package.json
+++ b/package.json
@@ -140,7 +140,7 @@
     "lodash": "^4.17.20",
     "marked": "^1.2.4",
     "nuxt": "^2.14.7",
-    "postcss": "^8.1.7",
+    "postcss": "^8.1.8",
     "postcss-cli": "^8.3.0",
     "prettier": "1.14.3",
     "require-context": "^1.1.0",
diff --git a/yarn.lock b/yarn.lock
index 5fece63e011..f5904cde205 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -11163,10 +11163,10 @@ postcss@7.x.x, postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.17,
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
-postcss@^8.1.7:
-  version "8.1.7"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.1.7.tgz#ff6a82691bd861f3354fd9b17b2332f88171233f"
-  integrity sha512-llCQW1Pz4MOPwbZLmOddGM9eIJ8Bh7SZ2Oj5sxZva77uVaotYDsYTch1WBTNu7fUY0fpWp0fdt7uW40D4sRiiQ==
+postcss@^8.1.8:
+  version "8.1.8"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.1.8.tgz#697439e7276735ecdd2893d2cf8efb2236693ac3"
+  integrity sha512-hO6jFWBy0QnBBRaw+s0F4hVPKGDICec/nLNEG1D4qqw9/LBzWMkTjckqqELXAo0J42jN8GFZXtgQfezEaoG9gQ==
   dependencies:
     colorette "^1.2.1"
     line-column "^1.0.2"