diff --git a/package-lock.json b/package-lock.json
index a3809e0..b3e3270 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12729,21 +12729,27 @@
       "dev": true
     },
     "xterm": {
-      "version": "3.15.0-vscode1",
-      "resolved": "https://registry.npmjs.org/xterm/-/xterm-3.15.0-vscode1.tgz",
-      "integrity": "sha512-Jnx83q9XFnvCR61dba1g5z3RFw6q9YztUV+7eqMbd9I+hGPYaGF6uJm2Kc/q/t1Jr94kkYHpzbwhIh/GuvEpzw==",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/xterm/-/xterm-4.0.1.tgz",
+      "integrity": "sha512-Rbq+VlttrK8scrK6lXXiQVi3rTIR6UUJC5uW1A20+0EsGukwzAgOZ9hQlGvbXSHcqJZ/FXWos2RVuFH418Vrjg==",
       "dev": true
     },
     "xterm-addon-fit": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/xterm-addon-fit/-/xterm-addon-fit-0.1.0.tgz",
-      "integrity": "sha512-DzYThnR5rXYX7JrOZ8rHGMU36BiTwYNFUOhhNwrDSFvoUR2MgwQrfA/JrqLE62KRj0D8bkRR7+xe7qGBp1O4Rw==",
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/xterm-addon-fit/-/xterm-addon-fit-0.2.1.tgz",
+      "integrity": "sha512-BlR57O3t1/bmVcnS81bn9ZnNf+GiGNbeXdNUKSBa9tKEwNUMcU3S+KFLIRv7rm1Ty0D5pMOu0vbz/RDorKRwKQ==",
       "dev": true
     },
     "xterm-addon-web-links": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/xterm-addon-web-links/-/xterm-addon-web-links-0.1.0.tgz",
-      "integrity": "sha512-n8/CzSw3sk0BQKDWeMzWaKjLoOomtQ+0EryAlG06k2OZJUnAgykOIwRlAe1gRXYKfriyAlL4wuC5lTYCNrpM5w==",
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/xterm-addon-web-links/-/xterm-addon-web-links-0.2.1.tgz",
+      "integrity": "sha512-2KnHtiq0IG7hfwv3jw2/jQeH1RBk2d5CH4zvgwQe00rLofSJqSfgnJ7gwowxxpGHrpbPr6Lv4AmH/joaNw2+HQ==",
+      "dev": true
+    },
+    "xterm-addon-webgl": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/xterm-addon-webgl/-/xterm-addon-webgl-0.2.1.tgz",
+      "integrity": "sha512-MZyh/KGbOBEEOqGpgilHuKHSj0OCXiZsBedTtLesHNerc79710shUHnfBlk31ggYU9G/WJ91qoNNux3ek5QBPA==",
       "dev": true
     },
     "y18n": {
diff --git a/package.json b/package.json
index 54aa6ea..4043834 100644
--- a/package.json
+++ b/package.json
@@ -39,9 +39,10 @@
     "webpack": "^4.39.3",
     "webpack-cli": "^3.3.8",
     "webpack-manifest-plugin": "^2.0.4",
-    "xterm": "^3.15.0-vscode1",
-    "xterm-addon-fit": "^0.1.0",
-    "xterm-addon-web-links": "^0.1.0"
+    "xterm": "^4.0.1",
+    "xterm-addon-fit": "^0.2.1",
+    "xterm-addon-web-links": "^0.2.1",
+    "xterm-addon-webgl": "^0.2.1"
   },
   "scripts": {
     "dev": "NODE_ENV=development webpack --mode=development --config=webpack.config.js --watch",
diff --git a/ui/widgets/screen_console.vue b/ui/widgets/screen_console.vue
index 07ba671..8e615b5 100644
--- a/ui/widgets/screen_console.vue
+++ b/ui/widgets/screen_console.vue
@@ -117,15 +117,18 @@ class Term {
 
       switch (ev.domEvent.key.toLowerCase()) {
         case "enter":
+          ev.domEvent.preventDefault();
           this.writeStr("\r\n");
           break;
 
         case "backspace":
+          ev.domEvent.preventDefault();
           this.writeStr("\b \b");
           break;
 
         default:
           if (printable) {
+            ev.domEvent.preventDefault();
             this.writeStr(ev.key);
           }
       }