diff --git a/package.json b/package.json
index 6c2b3410d8..3f11591419 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "@eslint/js": "^9.39.3",
     "@types/bootstrap": "^5.2.10",
     "@types/highlightjs": "^9.12.6",
-    "@types/jsdom": "^27.0.0",
+    "@types/jsdom": "^28.0.0",
     "@types/masonry-layout": "^4.2.8",
     "@types/node": "^25.3.0",
     "@types/sortablejs": "^1.15.9",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 0dec26f10e..e1e23c714a 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -71,8 +71,8 @@ devDependencies:
     specifier: ^9.12.6
     version: 9.12.6
   '@types/jsdom':
-    specifier: ^27.0.0
-    version: 27.0.0
+    specifier: ^28.0.0
+    version: 28.0.0
   '@types/masonry-layout':
     specifier: ^4.2.8
     version: 4.2.8
@@ -2264,12 +2264,13 @@ packages:
       '@types/sizzle': 2.3.10
     dev: true
 
-  /@types/jsdom@27.0.0:
-    resolution: {integrity: sha512-NZyFl/PViwKzdEkQg96gtnB8wm+1ljhdDay9ahn4hgb+SfVtPCbm3TlmDUFXTA+MGN3CijicnMhG18SI5H3rFw==}
+  /@types/jsdom@28.0.0:
+    resolution: {integrity: sha512-A8TBQQC/xAOojy9kM8E46cqT00sF0h7dWjV8t8BJhUi2rG6JRh7XXQo/oLoENuZIQEpXsxLccLCnknyQd7qssQ==}
     dependencies:
       '@types/node': 25.3.0
       '@types/tough-cookie': 4.0.5
       parse5: 7.3.0
+      undici-types: 7.22.0
     dev: true
 
   /@types/json-schema@7.0.15:
@@ -4584,6 +4585,10 @@ packages:
     resolution: {integrity: sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w==}
     dev: true
 
+  /undici-types@7.22.0:
+    resolution: {integrity: sha512-RKZvifiL60xdsIuC80UY0dq8Z7DbJUV8/l2hOVbyZAxBzEeQU4Z58+4ZzJ6WN2Lidi9KzT5EbiGX+PI/UGYuRw==}
+    dev: true
+
   /undici@7.22.0:
     resolution: {integrity: sha512-RqslV2Us5BrllB+JeiZnK4peryVTndy9Dnqq62S3yYRRTj0tFQCwEniUy2167skdGOy3vqRzEvl1Dm4sV2ReDg==}
     engines: {node: '>=20.18.1'}