diff --git a/packages/postcss-purgecss/package-lock.json b/packages/postcss-purgecss/package-lock.json
index 89fb1440..db5e7c75 100644
--- a/packages/postcss-purgecss/package-lock.json
+++ b/packages/postcss-purgecss/package-lock.json
@@ -68,46 +68,20 @@
 			"integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
 			"dev": true
 		},
-		"isarray": {
-			"version": "1.0.0",
-			"resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-			"integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
-			"dev": true
-		},
-		"isobject": {
-			"version": "2.1.0",
-			"resolved": "https://registry.npmjs.org/isobject/-/isobject-2.1.0.tgz",
-			"integrity": "sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=",
-			"dev": true,
-			"requires": {
-				"isarray": "1.0.0"
-			}
-		},
-		"line-column": {
-			"version": "1.0.2",
-			"resolved": "https://registry.npmjs.org/line-column/-/line-column-1.0.2.tgz",
-			"integrity": "sha1-0lryk2tvSEkXKzEuR5LR2Ye8NKI=",
-			"dev": true,
-			"requires": {
-				"isarray": "^1.0.0",
-				"isobject": "^2.0.0"
-			}
-		},
 		"nanoid": {
-			"version": "3.1.15",
-			"resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.15.tgz",
-			"integrity": "sha512-n8rXUZ8UU3lV6+43atPrSizqzh25n1/f00Wx1sCiE7R1sSHytZLTTiQl8DjC4IDLOnEZDlgJhy0yO4VsIpMxow==",
+			"version": "3.1.20",
+			"resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.1.20.tgz",
+			"integrity": "sha512-a1cQNyczgKbLX9jwbS/+d7W8fX/RfgYR7lVWwWOGIPNgK2m0MWvrGF6/m4kk6U3QcFMnZf3RIhL0v2Jgh/0Uxw==",
 			"dev": true
 		},
 		"postcss": {
-			"version": "8.1.3",
-			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.1.3.tgz",
-			"integrity": "sha512-AKsHGqd7HmXmL/EgyAjI4Gx719A5yQdt9HzyXrI8M/hzxfumecYS95kfvIt40UZqPVNoEt0Va1M3PG54XtNPbg==",
+			"version": "8.2.1",
+			"resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.1.tgz",
+			"integrity": "sha512-RhsqOOAQzTgh1UB/IZdca7F9WDb7SUCR2Vnv1x7DbvuuggQIpoDwjK+q0rzoPffhYvWNKX5JSwS4so4K3UC6vA==",
 			"dev": true,
 			"requires": {
 				"colorette": "^1.2.1",
-				"line-column": "^1.0.2",
-				"nanoid": "^3.1.15",
+				"nanoid": "^3.1.20",
 				"source-map": "^0.6.1"
 			}
 		},
diff --git a/packages/postcss-purgecss/package.json b/packages/postcss-purgecss/package.json
index f72531d8..288d993c 100644
--- a/packages/postcss-purgecss/package.json
+++ b/packages/postcss-purgecss/package.json
@@ -29,10 +29,10 @@
     "purgecss": "^3.1.0-alpha.0"
   },
   "devDependencies": {
-    "postcss": "^8.1.3",
+    "postcss": "^8.2.1",
     "postcss7": "npm:postcss@7.0.34"
   },
   "peerDependencies": {
-    "postcss": "^8.1.3"
+    "postcss": "^8.2.0"
   }
 }
diff --git a/packages/purgecss/package.json b/packages/purgecss/package.json
index 2d908d33..91fb4f1c 100644
--- a/packages/purgecss/package.json
+++ b/packages/purgecss/package.json
@@ -41,7 +41,7 @@
   "dependencies": {
     "commander": "^6.0.0",
     "glob": "^7.0.0",
-    "postcss": "^8.0.9",
+    "postcss": "^8.2.1",
     "postcss-selector-parser": "^6.0.2"
   },
   "devDependencies": {