diff --git a/docs/package-lock.json b/docs/package-lock.json
index 8399df5b18..1f028071eb 100644
--- a/docs/package-lock.json
+++ b/docs/package-lock.json
@@ -439,9 +439,9 @@
       "dev": true
     },
     "nanoid": {
-      "version": "3.3.4",
-      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.4.tgz",
-      "integrity": "sha512-MqBkQh/OHTS2egovRtLk45wEyNXwF+cokD+1YPf9u5VfJiRdAiRwB2froX5Co9Rh20xs4siNPm8naNotSD6RBw==",
+      "version": "3.3.6",
+      "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.6.tgz",
+      "integrity": "sha512-BGcqMMJuToF7i1rt+2PWSNVnWIkGCU78jBG3RxO/bZlnZPK2Cmi2QaffxGO/2RvWi9sL+FAiRiXMgsyxQ1DIDA==",
       "dev": true
     },
     "node-releases": {
@@ -493,14 +493,22 @@
       "dev": true
     },
     "postcss": {
-      "version": "8.3.9",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.9.tgz",
-      "integrity": "sha512-f/ZFyAKh9Dnqytx5X62jgjhhzttjZS7hMsohcI7HEI5tjELX/HxCy3EFhsRxyzGvrzFF+82XPvCS8T9TFleVJw==",
+      "version": "8.4.31",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.31.tgz",
+      "integrity": "sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==",
       "dev": true,
       "requires": {
-        "nanoid": "^3.1.28",
-        "picocolors": "^0.2.1",
-        "source-map-js": "^0.6.2"
+        "nanoid": "^3.3.6",
+        "picocolors": "^1.0.0",
+        "source-map-js": "^1.0.2"
+      },
+      "dependencies": {
+        "picocolors": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
+          "integrity": "sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==",
+          "dev": true
+        }
       }
     },
     "postcss-cli": {
@@ -624,9 +632,9 @@
       "dev": true
     },
     "source-map-js": {
-      "version": "0.6.2",
-      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-0.6.2.tgz",
-      "integrity": "sha512-/3GptzWzu0+0MBQFrDKzw/DvvMTUORvgY6k6jd/VS6iCR4RDTKWH6v6WPwQoUO8667uQEf9Oe38DxAYWY5F/Ug==",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz",
+      "integrity": "sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==",
       "dev": true
     },
     "string-width": {
diff --git a/docs/package.json b/docs/package.json
index 424fc3b02d..ebb53eb0ff 100644
--- a/docs/package.json
+++ b/docs/package.json
@@ -18,7 +18,7 @@
   "homepage": "https://github.com/google/docsy-example#readme",
   "devDependencies": {
     "autoprefixer": "^9.8.6",
-    "postcss": "^8.3.7",
+    "postcss": "^8.4.31",
     "postcss-cli": "^8.3.1"
   }
 }