diff --git a/plugins/woocommerce-blocks/package-lock.json b/plugins/woocommerce-blocks/package-lock.json
index 552eb8ea370..419e85dfe5a 100644
--- a/plugins/woocommerce-blocks/package-lock.json
+++ b/plugins/woocommerce-blocks/package-lock.json
@@ -172,7 +172,7 @@
 				"merge-config": "2.0.0",
 				"mini-css-extract-plugin": "2.7.6",
 				"patch-package": "6.4.7",
-				"postcss": "8.4.27",
+				"postcss": "8.4.31",
 				"postcss-loader": "7.3.3",
 				"prettier": "npm:wp-prettier@2.6.2",
 				"progress-bar-webpack-plugin": "2.1.0",
@@ -25667,33 +25667,6 @@
 				"node": ">=8"
 			}
 		},
-		"node_modules/@wordpress/e2e-tests/node_modules/postcss": {
-			"version": "8.4.29",
-			"dev": true,
-			"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"
-				}
-			],
-			"license": "MIT",
-			"dependencies": {
-				"nanoid": "^3.3.6",
-				"picocolors": "^1.0.0",
-				"source-map-js": "^1.0.2"
-			},
-			"engines": {
-				"node": "^10 || ^12 || >=14"
-			}
-		},
 		"node_modules/@wordpress/e2e-tests/node_modules/postcss-loader": {
 			"version": "6.2.1",
 			"dev": true,
@@ -28390,33 +28363,6 @@
 				"node": ">=8"
 			}
 		},
-		"node_modules/@wordpress/scripts/node_modules/postcss": {
-			"version": "8.4.29",
-			"dev": true,
-			"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"
-				}
-			],
-			"license": "MIT",
-			"dependencies": {
-				"nanoid": "^3.3.6",
-				"picocolors": "^1.0.0",
-				"source-map-js": "^1.0.2"
-			},
-			"engines": {
-				"node": "^10 || ^12 || >=14"
-			}
-		},
 		"node_modules/@wordpress/scripts/node_modules/postcss-loader": {
 			"version": "6.2.1",
 			"dev": true,
@@ -49942,9 +49888,9 @@
 			"integrity": "sha512-B2oeZ4E9D7JBHk0GEo0lv9aqHGd6vv+VsWoTG6Jt0tMtc5RUzSXOSQixBZgAAn4A/Dbajp8GbwzMtUkkyYw2Ig=="
 		},
 		"node_modules/postcss": {
-			"version": "8.4.27",
-			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.27.tgz",
-			"integrity": "sha512-gY/ACJtJPSmUFPDCHtX78+01fHa64FaU4zaaWfuh1MhGJISufJAH4cun6k/8fwsHYeK4UQmENQK+tRLCFJE8JQ==",
+			"version": "8.4.31",
+			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.31.tgz",
+			"integrity": "sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==",
 			"dev": true,
 			"funding": [
 				{
@@ -55660,34 +55606,6 @@
 				"stylelint": "^14.0.0"
 			}
 		},
-		"node_modules/stylelint-config-recommended-scss/node_modules/postcss": {
-			"version": "8.4.29",
-			"dev": true,
-			"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"
-				}
-			],
-			"license": "MIT",
-			"peer": true,
-			"dependencies": {
-				"nanoid": "^3.3.6",
-				"picocolors": "^1.0.0",
-				"source-map-js": "^1.0.2"
-			},
-			"engines": {
-				"node": "^10 || ^12 || >=14"
-			}
-		},
 		"node_modules/stylelint-config-recommended-scss/node_modules/postcss-scss": {
 			"version": "4.0.7",
 			"dev": true,
@@ -55756,33 +55674,6 @@
 				"node": ">=6"
 			}
 		},
-		"node_modules/stylelint/node_modules/postcss": {
-			"version": "8.4.29",
-			"dev": true,
-			"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"
-				}
-			],
-			"license": "MIT",
-			"dependencies": {
-				"nanoid": "^3.3.6",
-				"picocolors": "^1.0.0",
-				"source-map-js": "^1.0.2"
-			},
-			"engines": {
-				"node": "^10 || ^12 || >=14"
-			}
-		},
 		"node_modules/stylelint/node_modules/write-file-atomic": {
 			"version": "4.0.2",
 			"dev": true,
@@ -78099,15 +77990,6 @@
 						"find-up": "^4.0.0"
 					}
 				},
-				"postcss": {
-					"version": "8.4.29",
-					"dev": true,
-					"requires": {
-						"nanoid": "^3.3.6",
-						"picocolors": "^1.0.0",
-						"source-map-js": "^1.0.2"
-					}
-				},
 				"postcss-loader": {
 					"version": "6.2.1",
 					"dev": true,
@@ -79824,15 +79706,6 @@
 						"find-up": "^4.0.0"
 					}
 				},
-				"postcss": {
-					"version": "8.4.29",
-					"dev": true,
-					"requires": {
-						"nanoid": "^3.3.6",
-						"picocolors": "^1.0.0",
-						"source-map-js": "^1.0.2"
-					}
-				},
 				"postcss-loader": {
 					"version": "6.2.1",
 					"dev": true,
@@ -94452,9 +94325,9 @@
 			"integrity": "sha512-B2oeZ4E9D7JBHk0GEo0lv9aqHGd6vv+VsWoTG6Jt0tMtc5RUzSXOSQixBZgAAn4A/Dbajp8GbwzMtUkkyYw2Ig=="
 		},
 		"postcss": {
-			"version": "8.4.27",
-			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.27.tgz",
-			"integrity": "sha512-gY/ACJtJPSmUFPDCHtX78+01fHa64FaU4zaaWfuh1MhGJISufJAH4cun6k/8fwsHYeK4UQmENQK+tRLCFJE8JQ==",
+			"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": "^3.3.6",
@@ -98286,15 +98159,6 @@
 						"which": "^1.3.1"
 					}
 				},
-				"postcss": {
-					"version": "8.4.29",
-					"dev": true,
-					"requires": {
-						"nanoid": "^3.3.6",
-						"picocolors": "^1.0.0",
-						"source-map-js": "^1.0.2"
-					}
-				},
 				"write-file-atomic": {
 					"version": "4.0.2",
 					"dev": true,
@@ -98319,16 +98183,6 @@
 				"stylelint-scss": "^4.0.0"
 			},
 			"dependencies": {
-				"postcss": {
-					"version": "8.4.29",
-					"dev": true,
-					"peer": true,
-					"requires": {
-						"nanoid": "^3.3.6",
-						"picocolors": "^1.0.0",
-						"source-map-js": "^1.0.2"
-					}
-				},
 				"postcss-scss": {
 					"version": "4.0.7",
 					"dev": true,
diff --git a/plugins/woocommerce-blocks/package.json b/plugins/woocommerce-blocks/package.json
index 428555ba5b9..c36d745441f 100644
--- a/plugins/woocommerce-blocks/package.json
+++ b/plugins/woocommerce-blocks/package.json
@@ -226,7 +226,7 @@
 		"merge-config": "2.0.0",
 		"mini-css-extract-plugin": "2.7.6",
 		"patch-package": "6.4.7",
-		"postcss": "8.4.27",
+		"postcss": "8.4.31",
 		"postcss-loader": "7.3.3",
 		"prettier": "npm:wp-prettier@2.6.2",
 		"progress-bar-webpack-plugin": "2.1.0",