diff --git a/cli/csstools-cli/package.json b/cli/csstools-cli/package.json
index 37433e72ba..2b6373a957 100644
--- a/cli/csstools-cli/package.json
+++ b/cli/csstools-cli/package.json
@@ -66,7 +66,7 @@
 		"css-blank-pseudo": "^7.0.1",
 		"css-has-pseudo": "^7.0.2",
 		"css-prefers-color-scheme": "^10.0.0",
-		"postcss": "^8.4.45",
+		"postcss": "^8.5.4",
 		"postcss-attribute-case-insensitive": "^7.0.1",
 		"postcss-color-functional-notation": "^7.0.10",
 		"postcss-color-hex-alpha": "^10.0.0",
diff --git a/package-lock.json b/package-lock.json
index 09c0bdac27..e29b986cd7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -92,7 +92,7 @@
 				"css-blank-pseudo": "^7.0.1",
 				"css-has-pseudo": "^7.0.2",
 				"css-prefers-color-scheme": "^10.0.0",
-				"postcss": "^8.4.45",
+				"postcss": "^8.5.4",
 				"postcss-attribute-case-insensitive": "^7.0.1",
 				"postcss-color-functional-notation": "^7.0.10",
 				"postcss-color-hex-alpha": "^10.0.0",
@@ -4739,9 +4739,9 @@
 			}
 		},
 		"node_modules/browserslist": {
-			"version": "4.24.5",
-			"resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.24.5.tgz",
-			"integrity": "sha512-FDToo4Wo82hIdgc1CQ+NQD0hEhmpPjrZ3hiUgwgOG6IuTdlpr8jdjyG24P6cNP1yJpTLzS5OcGgSw0xmDU1/Tw==",
+			"version": "4.25.0",
+			"resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.25.0.tgz",
+			"integrity": "sha512-PJ8gYKeS5e/whHBh8xrwYK+dAvEj7JXtz6uTucnMRB8OiGTsKccFekoRrjajPBHV8oOY+2tI4uxeceSimKwMFA==",
 			"funding": [
 				{
 					"type": "opencollective",
@@ -4758,8 +4758,8 @@
 			],
 			"license": "MIT",
 			"dependencies": {
-				"caniuse-lite": "^1.0.30001716",
-				"electron-to-chromium": "^1.5.149",
+				"caniuse-lite": "^1.0.30001718",
+				"electron-to-chromium": "^1.5.160",
 				"node-releases": "^2.0.19",
 				"update-browserslist-db": "^1.1.3"
 			},
@@ -5290,9 +5290,9 @@
 			}
 		},
 		"node_modules/electron-to-chromium": {
-			"version": "1.5.158",
-			"resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.5.158.tgz",
-			"integrity": "sha512-9vcp2xHhkvraY6AHw2WMi+GDSLPX42qe2xjYaVoZqFRJiOcilVQFq9mZmpuHEQpzlgGDelKlV7ZiGcmMsc8WxQ==",
+			"version": "1.5.161",
+			"resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.5.161.tgz",
+			"integrity": "sha512-hwtetwfKNZo/UlwHIVBlKZVdy7o8bIZxxKs0Mv/ROPiQQQmDgdm5a+KvKtBsxM8ZjFzTaCeLoodZ8jiBE3o9rA==",
 			"license": "ISC"
 		},
 		"node_modules/emoji-regex": {
@@ -7417,9 +7417,9 @@
 			}
 		},
 		"node_modules/postcss": {
-			"version": "8.5.3",
-			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.3.tgz",
-			"integrity": "sha512-dle9A3yYxlBSrt8Fu+IpjGT8SY8hN0mlaA6GY8t0P5PjIOZemULz/E2Bnm/2dcUOena75OTNkHI76uZBNUUq3A==",
+			"version": "8.5.4",
+			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.4.tgz",
+			"integrity": "sha512-QSa9EBe+uwlGTFmHsPKokv3B/oEMQZxfqW0QqNCyhpa6mB1afzulwn8hihglqAb2pOw+BJgNlmXQ8la2VeHB7w==",
 			"funding": [
 				{
 					"type": "opencollective",
@@ -7436,7 +7436,7 @@
 			],
 			"license": "MIT",
 			"dependencies": {
-				"nanoid": "^3.3.8",
+				"nanoid": "^3.3.11",
 				"picocolors": "^1.1.1",
 				"source-map-js": "^1.2.1"
 			},
@@ -9454,7 +9454,7 @@
 			"license": "MIT",
 			"devDependencies": {
 				"@rmenke/css-tokenizer-tests": "^1.2.0",
-				"postcss": "^8.4.45",
+				"postcss": "^8.5.4",
 				"postcss-parser-tests": "^8.8.0"
 			},
 			"engines": {
@@ -9607,7 +9607,7 @@
 			],
 			"license": "MIT-0",
 			"devDependencies": {
-				"postcss": "^8.4.45"
+				"postcss": "^8.5.4"
 			},
 			"engines": {
 				"node": ">=18"
@@ -9696,7 +9696,7 @@
 				"@csstools/postcss-trigonometric-functions": "^4.0.9",
 				"@csstools/postcss-unset-value": "^4.0.0",
 				"autoprefixer": "^10.4.21",
-				"browserslist": "^4.24.5",
+				"browserslist": "^4.25.0",
 				"css-blank-pseudo": "^7.0.1",
 				"css-has-pseudo": "^7.0.2",
 				"css-prefers-color-scheme": "^10.0.0",
@@ -9806,7 +9806,7 @@
 			"license": "MIT-0",
 			"devDependencies": {
 				"@csstools/pack-test": "^1.0.1",
-				"postcss": "^8.4",
+				"postcss": "^8.5",
 				"stylelint": "^16.19.1",
 				"stylelint-test-rule-node": "^0.4.0"
 			},
@@ -9997,13 +9997,13 @@
 			"license": "MIT-0",
 			"devDependencies": {
 				"@csstools/postcss-tape": "*",
-				"browserslist": "^4.24.5"
+				"browserslist": "^4.25.0"
 			},
 			"engines": {
 				"node": ">=18"
 			},
 			"peerDependencies": {
-				"browserslist": "^4.24.5",
+				"browserslist": "^4.25.0",
 				"postcss": "^8.4"
 			}
 		},
@@ -11733,7 +11733,7 @@
 			"dependencies": {
 				"@csstools/css-parser-algorithms": "^3.0.5",
 				"@csstools/css-tokenizer": "^3.0.4",
-				"browserslist": "^4.24.5"
+				"browserslist": "^4.25.0"
 			},
 			"devDependencies": {
 				"@csstools/postcss-tape": "*"
diff --git a/packages/css-tokenizer/package.json b/packages/css-tokenizer/package.json
index a3bd01d921..42857858a4 100644
--- a/packages/css-tokenizer/package.json
+++ b/packages/css-tokenizer/package.json
@@ -49,7 +49,7 @@
 	],
 	"devDependencies": {
 		"@rmenke/css-tokenizer-tests": "^1.2.0",
-		"postcss": "^8.4.45",
+		"postcss": "^8.5.4",
 		"postcss-parser-tests": "^8.8.0"
 	},
 	"scripts": {
diff --git a/packages/utilities/package.json b/packages/utilities/package.json
index 2fd6356449..23ade72a57 100644
--- a/packages/utilities/package.json
+++ b/packages/utilities/package.json
@@ -51,7 +51,7 @@
 		"postcss": "^8.4"
 	},
 	"devDependencies": {
-		"postcss": "^8.4.45"
+		"postcss": "^8.5.4"
 	},
 	"scripts": {
 		"build": "rollup -c ../../rollup/default.mjs",
diff --git a/plugin-packs/postcss-preset-env/package.json b/plugin-packs/postcss-preset-env/package.json
index 8bea7988a5..e821a7d751 100644
--- a/plugin-packs/postcss-preset-env/package.json
+++ b/plugin-packs/postcss-preset-env/package.json
@@ -86,7 +86,7 @@
 		"@csstools/postcss-trigonometric-functions": "^4.0.9",
 		"@csstools/postcss-unset-value": "^4.0.0",
 		"autoprefixer": "^10.4.21",
-		"browserslist": "^4.24.5",
+		"browserslist": "^4.25.0",
 		"css-blank-pseudo": "^7.0.1",
 		"css-has-pseudo": "^7.0.2",
 		"css-prefers-color-scheme": "^10.0.0",
diff --git a/plugins-stylelint/no-at-nest-rule/package.json b/plugins-stylelint/no-at-nest-rule/package.json
index 01df06733e..63bd692327 100644
--- a/plugins-stylelint/no-at-nest-rule/package.json
+++ b/plugins-stylelint/no-at-nest-rule/package.json
@@ -40,7 +40,7 @@
 	},
 	"devDependencies": {
 		"@csstools/pack-test": "^1.0.1",
-		"postcss": "^8.4",
+		"postcss": "^8.5",
 		"stylelint": "^16.19.1",
 		"stylelint-test-rule-node": "^0.4.0"
 	},
diff --git a/plugins/postcss-browser-comments/package.json b/plugins/postcss-browser-comments/package.json
index 69fd96a6cd..f2e58b3d23 100644
--- a/plugins/postcss-browser-comments/package.json
+++ b/plugins/postcss-browser-comments/package.json
@@ -52,12 +52,12 @@
 		"dist"
 	],
 	"peerDependencies": {
-		"browserslist": "^4.24.5",
+		"browserslist": "^4.25.0",
 		"postcss": "^8.4"
 	},
 	"devDependencies": {
 		"@csstools/postcss-tape": "*",
-		"browserslist": "^4.24.5"
+		"browserslist": "^4.25.0"
 	},
 	"scripts": {
 		"build": "rollup -c ../../rollup/default.mjs",
diff --git a/plugins/postcss-todo-or-die/package.json b/plugins/postcss-todo-or-die/package.json
index fa7c162059..3ef5d1c6da 100644
--- a/plugins/postcss-todo-or-die/package.json
+++ b/plugins/postcss-todo-or-die/package.json
@@ -50,7 +50,7 @@
 	"dependencies": {
 		"@csstools/css-parser-algorithms": "^3.0.5",
 		"@csstools/css-tokenizer": "^3.0.4",
-		"browserslist": "^4.24.5"
+		"browserslist": "^4.25.0"
 	},
 	"peerDependencies": {
 		"postcss": "^8.4"