diff --git a/html/package.json b/html/package.json
index 587834b..852294d 100644
--- a/html/package.json
+++ b/html/package.json
@@ -65,7 +65,7 @@
     "decko": "^1.2.0",
     "file-saver": "^2.0.2",
     "preact": "^10.4.7",
-    "whatwg-fetch": "^3.3.1",
+    "whatwg-fetch": "^3.4.0",
     "xterm": "^4.8.1",
     "xterm-addon-fit": "^0.4.0",
     "xterm-addon-web-links": "^0.4.0",
diff --git a/html/yarn.lock b/html/yarn.lock
index 6e51054..56f4bb2 100644
--- a/html/yarn.lock
+++ b/html/yarn.lock
@@ -8531,10 +8531,10 @@ websocket-extensions@>=0.1.1:
   resolved "https://registry.yarnpkg.com/websocket-extensions/-/websocket-extensions-0.1.4.tgz#7f8473bc839dfd87608adb95d7eb075211578a42"
   integrity sha512-OqedPIGOfsDlo31UNwYbCFMSaO9m9G/0faIHj5/dZFDMFqPTcx6UwqyOy3COEaEOg/9VsGIpdqn62W5KhoKSpg==
 
-whatwg-fetch@^3.3.1:
-  version "3.3.1"
-  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-3.3.1.tgz#6c1acf37dec176b0fd6bc9a74b616bec2f612935"
-  integrity sha512-faXTmGDcLuEPBpJwb5LQfyxvubKiE+RlbmmweFGKjvIPFj4uHTTfdtTIkdTRhC6OSH9S9eyYbx8kZ0UEaQqYTA==
+whatwg-fetch@^3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-3.4.0.tgz#e11de14f4878f773fbebcde8871b2c0699af8b30"
+  integrity sha512-rsum2ulz2iuZH08mJkT0Yi6JnKhwdw4oeyMjokgxd+mmqYSd9cPpOQf01TIWgjxG/U4+QR+AwKq6lSbXVxkyoQ==
 
 which-module@^1.0.0:
   version "1.0.0"