diff --git a/packages/purgecss-webpack-plugin/package-lock.json b/packages/purgecss-webpack-plugin/package-lock.json
index 599e263b..892e4f6b 100644
--- a/packages/purgecss-webpack-plugin/package-lock.json
+++ b/packages/purgecss-webpack-plugin/package-lock.json
@@ -733,7 +733,8 @@
 		"source-list-map": {
 			"version": "2.0.1",
 			"resolved": "https://registry.npmjs.org/source-list-map/-/source-list-map-2.0.1.tgz",
-			"integrity": "sha512-qnQ7gVMxGNxsiL4lEuJwe/To8UnK7fAnmbGEEH8RpLouuKbeEm0lhbQVFIrNSuB+G7tVrAlVsZgETT5nljf+Iw=="
+			"integrity": "sha512-qnQ7gVMxGNxsiL4lEuJwe/To8UnK7fAnmbGEEH8RpLouuKbeEm0lhbQVFIrNSuB+G7tVrAlVsZgETT5nljf+Iw==",
+			"dev": true
 		},
 		"source-map": {
 			"version": "0.6.1",
@@ -873,13 +874,9 @@
 			}
 		},
 		"webpack-sources": {
-			"version": "2.2.0",
-			"resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-2.2.0.tgz",
-			"integrity": "sha512-bQsA24JLwcnWGArOKUxYKhX3Mz/nK1Xf6hxullKERyktjNMC4x8koOeaDNTA2fEJ09BdWLbM/iTW0ithREUP0w==",
-			"requires": {
-				"source-list-map": "^2.0.1",
-				"source-map": "^0.6.1"
-			}
+			"version": "3.2.0",
+			"resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-3.2.0.tgz",
+			"integrity": "sha512-fahN08Et7P9trej8xz/Z7eRu8ltyiygEo/hnRi9KqBUs80KeDcnf96ZJo++ewWd84fEf3xSX9bp4ZS9hbw0OBw=="
 		},
 		"wrappy": {
 			"version": "1.0.2",
diff --git a/packages/purgecss-webpack-plugin/package.json b/packages/purgecss-webpack-plugin/package.json
index f3b81c86..89e19db4 100644
--- a/packages/purgecss-webpack-plugin/package.json
+++ b/packages/purgecss-webpack-plugin/package.json
@@ -38,7 +38,7 @@
   "dependencies": {
     "purgecss": "^4.0.3",
     "webpack": "^5.4.0",
-    "webpack-sources": "^2.0.0"
+    "webpack-sources": "^3.2.0"
   },
   "bugs": {
     "url": "https://github.com/FullHuman/purgecss/issues"