diff --git a/package-lock.json b/package-lock.json
index de0a3bf..02c09e5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,17 +1,17 @@
 {
   "name": "@mrtc0/csp-html-webpack-plugin",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@mrtc0/csp-html-webpack-plugin",
-      "version": "1.0.2",
+      "version": "1.0.3",
       "license": "Apache-2.0",
       "devDependencies": {
         "@changesets/cli": "^2.26.2",
         "@types/jest": "^29.5.3",
-        "@types/jsdom": "^21.1.1",
+        "@types/jsdom": "^28.0.0",
         "html-webpack-plugin": "^5.5.3",
         "jest": "^29.6.1",
         "jsdom": "^24.0.0",
@@ -1575,15 +1575,42 @@
       }
     },
     "node_modules/@types/jsdom": {
-      "version": "21.1.7",
-      "resolved": "https://registry.npmjs.org/@types/jsdom/-/jsdom-21.1.7.tgz",
-      "integrity": "sha512-yOriVnggzrnQ3a9OKOCxaVuSug3w3/SbOj5i7VwXWZEyUNl3bLF9V3MfxGbZKuwqJOQyRfqXyROBB1CoZLFWzA==",
+      "version": "28.0.3",
+      "resolved": "https://registry.npmjs.org/@types/jsdom/-/jsdom-28.0.3.tgz",
+      "integrity": "sha512-/HQ2uFoetFTXuye8vzIcHw2z6Fwi7Hi/qcgC+RoS9NCyewiqxhVGqlG+ViGB6lkax481R6dmhf1I7lIGlzJStQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@types/node": "*",
         "@types/tough-cookie": "*",
-        "parse5": "^7.0.0"
+        "parse5": "^8.0.0",
+        "undici-types": "^7.21.0"
+      }
+    },
+    "node_modules/@types/jsdom/node_modules/entities": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-8.0.0.tgz",
+      "integrity": "sha512-zwfzJecQ/Uej6tusMqwAqU/6KL2XaB2VZ2Jg54Je6ahNBGNH6Ek6g3jjNCF0fG9EWQKGZNddNjU5F1ZQn/sBnA==",
+      "dev": true,
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=20.19.0"
+      },
+      "funding": {
+        "url": "https://github.com/fb55/entities?sponsor=1"
+      }
+    },
+    "node_modules/@types/jsdom/node_modules/parse5": {
+      "version": "8.0.1",
+      "resolved": "https://registry.npmjs.org/parse5/-/parse5-8.0.1.tgz",
+      "integrity": "sha512-z1e/HMG90obSGeidlli3hj7cbocou0/wa5HacvI3ASx34PecNjNQeaHNo5WIZpWofN9kgkqV1q5YvXe3F0FoPw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "entities": "^8.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/inikulin/parse5?sponsor=1"
       }
     },
     "node_modules/@types/json-schema": {
@@ -6112,6 +6139,13 @@
         "node": ">=14.17"
       }
     },
+    "node_modules/undici-types": {
+      "version": "7.27.2",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.27.2.tgz",
+      "integrity": "sha512-cH9f42mHuljpNuoS47sWDDWXVxWnJgYCzHVUlr3tn7+HVx0L6QSO+VG5qgzT4kXkR2K8ZsReaT5bupam6RNAEQ==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/universalify": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
diff --git a/package.json b/package.json
index 889c2a1..d326ac7 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   "devDependencies": {
     "@changesets/cli": "^2.26.2",
     "@types/jest": "^29.5.3",
-    "@types/jsdom": "^21.1.1",
+    "@types/jsdom": "^28.0.0",
     "html-webpack-plugin": "^5.5.3",
     "jest": "^29.6.1",
     "jsdom": "^24.0.0",