diff --git a/package.json b/package.json
index c54026d25f7..c8d04e8fd55 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "vscode-ripgrep": "^1.5.8",
     "vscode-sqlite3": "4.0.9",
     "vscode-textmate": "4.4.0",
-    "xterm": "4.5.0-beta.4",
+    "xterm": "4.5.0-beta.21",
     "xterm-addon-search": "0.5.0",
     "xterm-addon-unicode11": "0.1.1",
     "xterm-addon-web-links": "0.2.1",
@@ -178,4 +178,4 @@
     "windows-mutex": "0.3.0",
     "windows-process-tree": "0.2.4"
   }
-}
\ No newline at end of file
+}
diff --git a/remote/package.json b/remote/package.json
index 00f0b292b99..42a767f218d 100644
--- a/remote/package.json
+++ b/remote/package.json
@@ -20,7 +20,7 @@
     "vscode-proxy-agent": "^0.5.2",
     "vscode-ripgrep": "^1.5.8",
     "vscode-textmate": "4.4.0",
-    "xterm": "4.5.0-beta.4",
+    "xterm": "4.5.0-beta.21",
     "xterm-addon-search": "0.5.0",
     "xterm-addon-unicode11": "0.1.1",
     "xterm-addon-web-links": "0.2.1",
diff --git a/remote/web/package.json b/remote/web/package.json
index ffcd7add280..8500e7cac0e 100644
--- a/remote/web/package.json
+++ b/remote/web/package.json
@@ -5,7 +5,7 @@
 		"onigasm-umd": "2.2.5",
 		"semver-umd": "^5.5.5",
 		"vscode-textmate": "4.4.0",
-		"xterm": "4.5.0-beta.4",
+		"xterm": "4.5.0-beta.21",
 		"xterm-addon-search": "0.5.0",
 		"xterm-addon-unicode11": "0.1.1",
 		"xterm-addon-web-links": "0.2.1",
diff --git a/remote/web/yarn.lock b/remote/web/yarn.lock
index c9f5c9ebb95..a5b4057b9de 100644
--- a/remote/web/yarn.lock
+++ b/remote/web/yarn.lock
@@ -51,7 +51,7 @@ xterm-addon-webgl@0.5.0:
   resolved "https://registry.yarnpkg.com/xterm-addon-webgl/-/xterm-addon-webgl-0.5.0.tgz#c1031dc7599cce3509824643ab5f15361c928e3e"
   integrity sha512-hQrvabKCnwXFaEZ+YtoJM9Pm0CIBXL5KSwoU+RiGStU3KYTAcqYP2GsH3dWdvKX6kTWhWLS81dtDsGkfbOciuA==
 
-xterm@4.5.0-beta.4:
-  version "4.5.0-beta.4"
-  resolved "https://registry.yarnpkg.com/xterm/-/xterm-4.5.0-beta.4.tgz#701f05553b643236d3fcd8bb7f14045bd4537c92"
-  integrity sha512-Yv1Bf60LTLBMaig1rv033hPz8hQGXZN6VYW2oe/409t2NbJXPg5xZgf47qyaWFV7a5k1BFiwjayJCWaL2nYBew==
+xterm@4.5.0-beta.21:
+  version "4.5.0-beta.21"
+  resolved "https://registry.yarnpkg.com/xterm/-/xterm-4.5.0-beta.21.tgz#2265b8bb47c4e9ac68816f423d62f3f52df2bb88"
+  integrity sha512-np74QU68AwZckkWl5LncLk/HcWT/DUWO1XKJaCKqY/UWc9VlYarTJWSUqZrZiZ6zHJ7LgG9lSzCPSxYvq7Mq5Q==
diff --git a/remote/yarn.lock b/remote/yarn.lock
index e399dac6a30..e118ad228b0 100644
--- a/remote/yarn.lock
+++ b/remote/yarn.lock
@@ -433,10 +433,10 @@ xterm-addon-webgl@0.5.0:
   resolved "https://registry.yarnpkg.com/xterm-addon-webgl/-/xterm-addon-webgl-0.5.0.tgz#c1031dc7599cce3509824643ab5f15361c928e3e"
   integrity sha512-hQrvabKCnwXFaEZ+YtoJM9Pm0CIBXL5KSwoU+RiGStU3KYTAcqYP2GsH3dWdvKX6kTWhWLS81dtDsGkfbOciuA==
 
-xterm@4.5.0-beta.4:
-  version "4.5.0-beta.4"
-  resolved "https://registry.yarnpkg.com/xterm/-/xterm-4.5.0-beta.4.tgz#701f05553b643236d3fcd8bb7f14045bd4537c92"
-  integrity sha512-Yv1Bf60LTLBMaig1rv033hPz8hQGXZN6VYW2oe/409t2NbJXPg5xZgf47qyaWFV7a5k1BFiwjayJCWaL2nYBew==
+xterm@4.5.0-beta.21:
+  version "4.5.0-beta.21"
+  resolved "https://registry.yarnpkg.com/xterm/-/xterm-4.5.0-beta.21.tgz#2265b8bb47c4e9ac68816f423d62f3f52df2bb88"
+  integrity sha512-np74QU68AwZckkWl5LncLk/HcWT/DUWO1XKJaCKqY/UWc9VlYarTJWSUqZrZiZ6zHJ7LgG9lSzCPSxYvq7Mq5Q==
 
 yauzl@^2.9.2:
   version "2.10.0"
diff --git a/yarn.lock b/yarn.lock
index d338872f652..f122581dbf4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10040,10 +10040,10 @@ xterm-addon-webgl@0.5.0:
   resolved "https://registry.yarnpkg.com/xterm-addon-webgl/-/xterm-addon-webgl-0.5.0.tgz#c1031dc7599cce3509824643ab5f15361c928e3e"
   integrity sha512-hQrvabKCnwXFaEZ+YtoJM9Pm0CIBXL5KSwoU+RiGStU3KYTAcqYP2GsH3dWdvKX6kTWhWLS81dtDsGkfbOciuA==
 
-xterm@4.5.0-beta.4:
-  version "4.5.0-beta.4"
-  resolved "https://registry.yarnpkg.com/xterm/-/xterm-4.5.0-beta.4.tgz#701f05553b643236d3fcd8bb7f14045bd4537c92"
-  integrity sha512-Yv1Bf60LTLBMaig1rv033hPz8hQGXZN6VYW2oe/409t2NbJXPg5xZgf47qyaWFV7a5k1BFiwjayJCWaL2nYBew==
+xterm@4.5.0-beta.21:
+  version "4.5.0-beta.21"
+  resolved "https://registry.yarnpkg.com/xterm/-/xterm-4.5.0-beta.21.tgz#2265b8bb47c4e9ac68816f423d62f3f52df2bb88"
+  integrity sha512-np74QU68AwZckkWl5LncLk/HcWT/DUWO1XKJaCKqY/UWc9VlYarTJWSUqZrZiZ6zHJ7LgG9lSzCPSxYvq7Mq5Q==
 
 y18n@^3.2.1:
   version "3.2.1"