diff --git a/package-lock.json b/package-lock.json
index c0c1b979..0b0dc7b8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
         "css-loader": "^6.7.1",
         "mini-css-extract-plugin": "^2.6.1",
         "pa11y-ci": "^4.0.1",
-        "postcss": "^8.4.31",
+        "postcss": "^8.5.10",
         "postcss-loader": "^7.0.1",
         "sass": "^1.54.5",
         "sass-loader": "^13.0.2",
@@ -3143,9 +3143,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.31",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.31.tgz",
-      "integrity": "sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==",
+      "version": "8.5.10",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.10.tgz",
+      "integrity": "sha512-pMMHxBOZKFU6HgAZ4eyGnwXF/EvPGGqUr0MnZ5+99485wwW41kW91A4LOGxSHhgugZmSChL5AlElNdwlNgcnLQ==",
       "dev": true,
       "funding": [
         {
@@ -3162,9 +3162,9 @@
         }
       ],
       "dependencies": {
-        "nanoid": "^3.3.6",
-        "picocolors": "^1.0.0",
-        "source-map-js": "^1.0.2"
+        "nanoid": "^3.3.11",
+        "picocolors": "^1.1.1",
+        "source-map-js": "^1.2.1"
       },
       "engines": {
         "node": "^10 || ^12 || >=14"
@@ -3637,9 +3637,9 @@
       }
     },
     "node_modules/source-map-js": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz",
-      "integrity": "sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.2.1.tgz",
+      "integrity": "sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA==",
       "dev": true,
       "engines": {
         "node": ">=0.10.0"
@@ -6569,14 +6569,14 @@
       "requires": {}
     },
     "postcss": {
-      "version": "8.4.31",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.31.tgz",
-      "integrity": "sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==",
+      "version": "8.5.10",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.10.tgz",
+      "integrity": "sha512-pMMHxBOZKFU6HgAZ4eyGnwXF/EvPGGqUr0MnZ5+99485wwW41kW91A4LOGxSHhgugZmSChL5AlElNdwlNgcnLQ==",
       "dev": true,
       "requires": {
-        "nanoid": "^3.3.6",
-        "picocolors": "^1.0.0",
-        "source-map-js": "^1.0.2"
+        "nanoid": "^3.3.11",
+        "picocolors": "^1.1.1",
+        "source-map-js": "^1.2.1"
       }
     },
     "postcss-loader": {
@@ -6871,9 +6871,9 @@
       "dev": true
     },
     "source-map-js": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz",
-      "integrity": "sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.2.1.tgz",
+      "integrity": "sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA==",
       "dev": true
     },
     "source-map-support": {
diff --git a/package.json b/package.json
index ff9c8cc3..45035124 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "css-loader": "^6.7.1",
     "mini-css-extract-plugin": "^2.6.1",
     "pa11y-ci": "^4.0.1",
-    "postcss": "^8.4.31",
+    "postcss": "^8.5.10",
     "postcss-loader": "^7.0.1",
     "sass": "^1.54.5",
     "sass-loader": "^13.0.2",