diff --git a/package.json b/package.json
index b9f056e..5f20150 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "@mdx-js/react": "^1.6.22",
     "autoprefixer": "^10.4.14",
     "clsx": "^1.2.1",
-    "postcss": "^8.4.27",
+    "postcss": "^8.4.31",
     "prism-react-renderer": "^1.3.5",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
diff --git a/yarn.lock b/yarn.lock
index f137067..e7c8a81 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5988,7 +5988,7 @@ postcss-zindex@^5.1.0:
   resolved "https://registry.yarnpkg.com/postcss-zindex/-/postcss-zindex-5.1.0.tgz#4a5c7e5ff1050bd4c01d95b1847dfdcc58a496ff"
   integrity sha512-fgFMf0OtVSBR1va1JNHYgMxYk73yhn/qb4uQDq1DLGYolz8gHCyr/sesEuGUaYs58E3ZJRcpoGuPVoB7Meiq9A==
 
-postcss@^8.3.11, postcss@^8.4.14, postcss@^8.4.17, postcss@^8.4.21, postcss@^8.4.23, postcss@^8.4.27:
+postcss@^8.3.11, postcss@^8.4.14, postcss@^8.4.17, postcss@^8.4.21, postcss@^8.4.23:
   version "8.4.27"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.27.tgz#234d7e4b72e34ba5a92c29636734349e0d9c3057"
   integrity sha512-gY/ACJtJPSmUFPDCHtX78+01fHa64FaU4zaaWfuh1MhGJISufJAH4cun6k/8fwsHYeK4UQmENQK+tRLCFJE8JQ==
@@ -5997,6 +5997,15 @@ postcss@^8.3.11, postcss@^8.4.14, postcss@^8.4.17, postcss@^8.4.21, postcss@^8.4
     picocolors "^1.0.0"
     source-map-js "^1.0.2"
 
+postcss@^8.4.31:
+  version "8.4.31"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.31.tgz#92b451050a9f914da6755af352bdc0192508656d"
+  integrity sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==
+  dependencies:
+    nanoid "^3.3.6"
+    picocolors "^1.0.0"
+    source-map-js "^1.0.2"
+
 prepend-http@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-2.0.0.tgz#e92434bfa5ea8c19f41cdfd401d741a3c819d897"