diff --git a/package.json b/package.json
index 4f680765..bfcb8f80 100644
--- a/package.json
+++ b/package.json
@@ -58,7 +58,7 @@
     "@types/chrome": "^0.1.40",
     "@types/github-script": "github:actions/github-script#v8.0.0",
     "@types/jest": "^30.0.0",
-    "@types/jsdom": "^27.0.0",
+    "@types/jsdom": "^28.0.3",
     "@types/node": "^24.12.2",
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 28d7005a..33a85b53 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -113,8 +113,8 @@ importers:
         specifier: ^30.0.0
         version: 30.0.0
       '@types/jsdom':
-        specifier: ^27.0.0
-        version: 27.0.0
+        specifier: ^28.0.3
+        version: 28.0.3
       '@types/node':
         specifier: ^24.12.2
         version: 24.12.2
@@ -1571,8 +1571,8 @@ packages:
   '@types/jsdom@21.1.7':
     resolution: {integrity: sha512-yOriVnggzrnQ3a9OKOCxaVuSug3w3/SbOj5i7VwXWZEyUNl3bLF9V3MfxGbZKuwqJOQyRfqXyROBB1CoZLFWzA==}
 
-  '@types/jsdom@27.0.0':
-    resolution: {integrity: sha512-NZyFl/PViwKzdEkQg96gtnB8wm+1ljhdDay9ahn4hgb+SfVtPCbm3TlmDUFXTA+MGN3CijicnMhG18SI5H3rFw==}
+  '@types/jsdom@28.0.3':
+    resolution: {integrity: sha512-/HQ2uFoetFTXuye8vzIcHw2z6Fwi7Hi/qcgC+RoS9NCyewiqxhVGqlG+ViGB6lkax481R6dmhf1I7lIGlzJStQ==}
 
   '@types/json-schema@7.0.15':
     resolution: {integrity: sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA==}
@@ -1629,6 +1629,7 @@ packages:
 
   '@ungap/structured-clone@1.3.0':
     resolution: {integrity: sha512-WmoN8qaIAo7WTYWbAZuG8PYEhn5fkz7dZrqTBZ7dtt//lL2Gwms1IcnQ5yHqjDfX8Ft5j4YzDM23f87zBfDe9g==}
+    deprecated: Potential CWE-502 - Update to 1.3.1 or higher
 
   '@unrs/resolver-binding-android-arm-eabi@1.9.0':
     resolution: {integrity: sha512-h1T2c2Di49ekF2TE8ZCoJkb+jwETKUIPDJ/nO3tJBKlLFPu+fyd93f0rGP/BvArKx2k2HlRM4kqkNarj3dvZlg==}
@@ -3565,6 +3566,9 @@ packages:
   undici-types@7.16.0:
     resolution: {integrity: sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw==}
 
+  undici-types@7.25.0:
+    resolution: {integrity: sha512-AXNgS1Byr27fTI+2bsPEkV9CxkT8H6xNyRI68b3TatlZo3RkzlqQBLL+w7SmGPVpokjHbcuNVQUWE7FRTg+LRA==}
+
   undici@5.28.4:
     resolution: {integrity: sha512-72RFADWFqKmUb2hmmvNODKL3p9hcB6Gt2DOQMis1SEBaV6a4MH8soBvzg+95CYhCKPFedut2JY9bMfrDl9D23g==}
     engines: {node: '>=14.0'}
@@ -3602,10 +3606,12 @@ packages:
 
   uuid@8.3.2:
     resolution: {integrity: sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==}
+    deprecated: uuid@10 and below is no longer supported.  For ESM codebases, update to uuid@latest.  For CommonJS codebases, use uuid@11 (but be aware this version will likely be deprecated in 2028).
     hasBin: true
 
   uuid@9.0.1:
     resolution: {integrity: sha512-b+1eJOlsR9K8HJpow9Ok3fiWOWSIcIzXodvv0rQjVoOVNpWMpxf1wZNpt4y9h10odCNrqnYp1OBzRktckBe3sA==}
+    deprecated: uuid@10 and below is no longer supported.  For ESM codebases, update to uuid@latest.  For CommonJS codebases, use uuid@11 (but be aware this version will likely be deprecated in 2028).
     hasBin: true
 
   v8-compile-cache-lib@3.0.1:
@@ -5093,11 +5099,12 @@ snapshots:
       '@types/tough-cookie': 4.0.5
       parse5: 7.3.0
 
-  '@types/jsdom@27.0.0':
+  '@types/jsdom@28.0.3':
     dependencies:
       '@types/node': 24.12.2
       '@types/tough-cookie': 4.0.5
       parse5: 7.3.0
+      undici-types: 7.25.0
 
   '@types/json-schema@7.0.15': {}
 
@@ -7300,6 +7307,8 @@ snapshots:
 
   undici-types@7.16.0: {}
 
+  undici-types@7.25.0: {}
+
   undici@5.28.4:
     dependencies:
       '@fastify/busboy': 2.1.1