diff --git a/package.json b/package.json
index adc5a3f0..bc983655 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": "18.0.1",
+    "happy-dom": "20.0.0",
     "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 a65143c5..09b047c6 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: 18.0.1
-        version: 18.0.1
+        specifier: 20.0.0
+        version: 20.0.0
       hono:
         specifier: 4.10.3
         version: 4.10.3
@@ -1599,10 +1599,6 @@ packages:
     resolution: {integrity: sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ==}
     engines: {node: '>=8'}
 
-  ansi-regex@6.1.0:
-    resolution: {integrity: sha512-7HSX4QQb4CspciLpVFwyRe79O3xsIZDDLER21kERQ71oaPodF8jL725AgJMFAYbooIqolJoRLuM81SpeUkpkvA==}
-    engines: {node: '>=12'}
-
   ansi-regex@6.2.2:
     resolution: {integrity: sha512-Bq3SmSpyFHaWjPk8If9yc6svM8c56dB5BAtW4Qbw5jHTwwXXcTLoRMkpDJp6VL0XzlWaCHTXrkFURMYmD0sLqg==}
     engines: {node: '>=12'}
@@ -2801,8 +2797,8 @@ packages:
   hanja@1.1.5:
     resolution: {integrity: sha512-gKNEkX+IIBmxXUIm5Lf859YlvHnGD01kbiHL+7CoV1ZxGI+EttflD1k/Ntz8zbymMVIlVELunTk8pK5SNYOVlg==}
 
-  happy-dom@18.0.1:
-    resolution: {integrity: sha512-qn+rKOW7KWpVTtgIUi6RVmTBZJSe2k0Db0vh1f7CWrWclkkc7/Q+FrOfkZIb2eiErLyqu5AXEzE7XthO9JVxRA==}
+  happy-dom@20.0.0:
+    resolution: {integrity: sha512-GkWnwIFxVGCf2raNrxImLo397RdGhLapj5cT3R2PT7FwL62Ze1DROhzmYW7+J3p9105DYMVenEejEbnq5wA37w==}
     engines: {node: '>=20.0.0'}
 
   has-bigints@1.1.0:
@@ -4383,10 +4379,6 @@ packages:
     resolution: {integrity: sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==}
     engines: {node: '>=8'}
 
-  strip-ansi@7.1.0:
-    resolution: {integrity: sha512-iq6eVVI64nQQTRYq2KtEg2d2uU7LElhTJwsH4YzIHZshxlgZms/wIc4VoDQTlG/IvVIrBKG06CrZnp0qv7hkcQ==}
-    engines: {node: '>=12'}
-
   strip-ansi@7.1.2:
     resolution: {integrity: sha512-gmBGslpoQJtgnMAvOVqGZpEz9dyoKTCzy2nfz/n8aIFhN/jCE/rCmcxabB6jOOHV+0WNnylOxaxBQPSvcWklhA==}
     engines: {node: '>=12'}
@@ -6196,8 +6188,6 @@ snapshots:
 
   ansi-regex@5.0.1: {}
 
-  ansi-regex@6.1.0: {}
-
   ansi-regex@6.2.2: {}
 
   ansi-styles@4.3.0:
@@ -7747,7 +7737,7 @@ snapshots:
 
   hanja@1.1.5: {}
 
-  happy-dom@18.0.1:
+  happy-dom@20.0.0:
     dependencies:
       '@types/node': 20.19.11
       '@types/whatwg-mimetype': 3.0.2
@@ -9306,7 +9296,7 @@ snapshots:
     dependencies:
       eastasianwidth: 0.2.0
       emoji-regex: 9.2.2
-      strip-ansi: 7.1.0
+      strip-ansi: 7.1.2
 
   string.prototype.trim@1.2.10:
     dependencies:
@@ -9343,10 +9333,6 @@ snapshots:
     dependencies:
       ansi-regex: 5.0.1
 
-  strip-ansi@7.1.0:
-    dependencies:
-      ansi-regex: 6.1.0
-
   strip-ansi@7.1.2:
     dependencies:
       ansi-regex: 6.2.2
@@ -9778,7 +9764,7 @@ snapshots:
     dependencies:
       ansi-styles: 6.2.1
       string-width: 5.1.2
-      strip-ansi: 7.1.0
+      strip-ansi: 7.1.2
 
   wrappy@1.0.2: {}