diff --git a/package.json b/package.json
index 8f0f9237..ddc8d2bd 100644
--- a/package.json
+++ b/package.json
@@ -105,7 +105,7 @@
     "fflate": "0.8.2",
     "filenamify": "6.0.0",
     "hanja": "1.1.5",
-    "happy-dom": "20.0.2",
+    "happy-dom": "20.0.11",
     "hono": "4.10.3",
     "howler": "2.2.4",
     "html-to-text": "9.0.5",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index d8a49686..f38e4f52 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -163,8 +163,8 @@ importers:
         specifier: 1.1.5
         version: 1.1.5
       happy-dom:
-        specifier: 20.0.2
-        version: 20.0.2
+        specifier: 20.0.11
+        version: 20.0.11
       hono:
         specifier: 4.10.3
         version: 4.10.3
@@ -2791,8 +2791,8 @@ packages:
   hanja@1.1.5:
     resolution: {integrity: sha512-gKNEkX+IIBmxXUIm5Lf859YlvHnGD01kbiHL+7CoV1ZxGI+EttflD1k/Ntz8zbymMVIlVELunTk8pK5SNYOVlg==}
 
-  happy-dom@20.0.2:
-    resolution: {integrity: sha512-pYOyu624+6HDbY+qkjILpQGnpvZOusItCk+rvF5/V+6NkcgTKnbOldpIy22tBnxoaLtlM9nXgoqAcW29/B7CIw==}
+  happy-dom@20.0.11:
+    resolution: {integrity: sha512-QsCdAUHAmiDeKeaNojb1OHOPF7NjcWPBR7obdu3NwH2a/oyQaLg5d0aaCy/9My6CdPChYF07dvz5chaXBGaD4g==}
     engines: {node: '>=20.0.0'}
 
   has-bigints@1.1.0:
@@ -7734,7 +7734,7 @@ snapshots:
 
   hanja@1.1.5: {}
 
-  happy-dom@20.0.2:
+  happy-dom@20.0.11:
     dependencies:
       '@types/node': 20.19.11
       '@types/whatwg-mimetype': 3.0.2