diff --git a/package-lock.json b/package-lock.json
index 7a2efedb..5c65eb53 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -33,7 +33,7 @@
         "history": "^4.7.2",
         "lodash.camelcase": "^4.3.0",
         "moment": "^2.24.0",
-        "postcss": "^8.4.12",
+        "postcss": "^8.4.31",
         "prop-types": "^15.7.2",
         "query-string": "^6.7.0",
         "react": "^17.0.2",
@@ -3958,6 +3958,34 @@
         "node": ">=8"
       }
     },
+    "node_modules/@edx/frontend-build/node_modules/postcss": {
+      "version": "8.4.30",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.30.tgz",
+      "integrity": "sha512-7ZEao1g4kd68l97aWG/etQKPKq07us0ieSZ2TnFDk11i0ZfDW2AwKHYU8qv4MZKqN2fdBfg+7q0ES06UA73C1g==",
+      "funding": [
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/postcss/"
+        },
+        {
+          "type": "tidelift",
+          "url": "https://tidelift.com/funding/github/npm/postcss"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/ai"
+        }
+      ],
+      "peer": true,
+      "dependencies": {
+        "nanoid": "^3.3.6",
+        "picocolors": "^1.0.0",
+        "source-map-js": "^1.0.2"
+      },
+      "engines": {
+        "node": "^10 || ^12 || >=14"
+      }
+    },
     "node_modules/@edx/frontend-build/node_modules/pretty-format": {
       "version": "26.6.2",
       "resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-26.6.2.tgz",
@@ -27394,9 +27422,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.30",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.30.tgz",
-      "integrity": "sha512-7ZEao1g4kd68l97aWG/etQKPKq07us0ieSZ2TnFDk11i0ZfDW2AwKHYU8qv4MZKqN2fdBfg+7q0ES06UA73C1g==",
+      "version": "8.4.31",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.31.tgz",
+      "integrity": "sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==",
       "funding": [
         {
           "type": "opencollective",
diff --git a/package.json b/package.json
index 0b50ff04..b3440fec 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "history": "^4.7.2",
     "lodash.camelcase": "^4.3.0",
     "moment": "^2.24.0",
-    "postcss": "^8.4.12",
+    "postcss": "^8.4.31",
     "prop-types": "^15.7.2",
     "query-string": "^6.7.0",
     "react": "^17.0.2",