diff --git a/html/package.json b/html/package.json
index 9245018..e549202 100644
--- a/html/package.json
+++ b/html/package.json
@@ -69,7 +69,7 @@
     "xterm": "^4.9.0",
     "xterm-addon-fit": "^0.4.0",
     "xterm-addon-web-links": "^0.4.0",
-    "xterm-addon-webgl": "^0.8.0",
+    "xterm-addon-webgl": "^0.9.0",
     "zmodem.js": "^0.1.10"
   }
 }
diff --git a/html/yarn.lock b/html/yarn.lock
index 2cb5313..a2eee88 100644
--- a/html/yarn.lock
+++ b/html/yarn.lock
@@ -8696,10 +8696,10 @@ xterm-addon-web-links@^0.4.0:
   resolved "https://registry.yarnpkg.com/xterm-addon-web-links/-/xterm-addon-web-links-0.4.0.tgz#265cbf8221b9b315d0a748e1323bee331cd5da03"
   integrity sha512-xv8GeiINmx0zENO9hf5k+5bnkaE8mRzF+OBAr9WeFq2eLaQSudioQSiT34M1ofKbzcdjSsKiZm19Rw3i4eXamg==
 
-xterm-addon-webgl@^0.8.0:
-  version "0.8.0"
-  resolved "https://registry.yarnpkg.com/xterm-addon-webgl/-/xterm-addon-webgl-0.8.0.tgz#4bc6bb4dbfea5b0d2d7978d6c5cef922d584fb4f"
-  integrity sha512-dlpYPsv0C9S6v6+T/h/d/otSbdUTizMJdxvSoS34tUpMOHev6iW7Zqt5KRFqYxl4vCqpDk9Wmhb3fKL3kwX5fQ==
+xterm-addon-webgl@^0.9.0:
+  version "0.9.0"
+  resolved "https://registry.yarnpkg.com/xterm-addon-webgl/-/xterm-addon-webgl-0.9.0.tgz#947ca94f9fd72462155c300dfb82bc471402d60a"
+  integrity sha512-JSRoe/MgPEKCpr7LbiC+sQUq0c9l/ZhsBXYugKx5BJsJEPsY+5EFcqAexuhsJVe/qV+CP3hsbYDe/411rw3ASA==
 
 xterm@^4.9.0:
   version "4.9.0"