diff --git a/remote/web/package.json b/remote/web/package.json
index aba3aa300bb..ef07631655c 100644
--- a/remote/web/package.json
+++ b/remote/web/package.json
@@ -10,6 +10,7 @@
 		"@xterm/addon-canvas": "0.6.0-beta.13",
 		"@xterm/addon-image": "0.7.0-beta.11",
 		"@xterm/addon-search": "0.14.0-beta.13",
+		"@xterm/addon-serialize": "0.12.0-beta.13",
 		"@xterm/addon-unicode11": "0.7.0-beta.13",
 		"@xterm/addon-webgl": "0.17.0-beta.13",
 		"@xterm/xterm": "5.4.0-beta.13",
diff --git a/remote/web/yarn.lock b/remote/web/yarn.lock
index 22b89508b6e..9c875213932 100644
--- a/remote/web/yarn.lock
+++ b/remote/web/yarn.lock
@@ -63,6 +63,11 @@
   resolved "https://registry.yarnpkg.com/@xterm/addon-search/-/addon-search-0.14.0-beta.13.tgz#9966493ea5600578dd8f22bd4779321cd6a4d57d"
   integrity sha512-Th7zkrdI/Af39zfP42x+toD7HUPKP51kZ+zlI9RDhry3GUCJK/LjIOCxDexvvTbaQTp/jTe/FsW65wvEUDbOAw==
 
+"@xterm/addon-serialize@0.12.0-beta.13":
+  version "0.12.0-beta.13"
+  resolved "https://registry.yarnpkg.com/@xterm/addon-serialize/-/addon-serialize-0.12.0-beta.13.tgz#7b5c9f985b9b2e2b3eae007949db5e856bf4f67b"
+  integrity sha512-tLlTj/EAtISPjou8ri5d28Y9cc8J0t9MGpCbZgPUZxKp1+0JqAancDrqb9ACWr+iIxtuoiwEK1Hy9+jn7CXLPg==
+
 "@xterm/addon-unicode11@0.7.0-beta.13":
   version "0.7.0-beta.13"
   resolved "https://registry.yarnpkg.com/@xterm/addon-unicode11/-/addon-unicode11-0.7.0-beta.13.tgz#585bda916256e16164d4601e5f1faad34748e488"
diff --git a/scripts/update-xterm.js b/scripts/update-xterm.js
index 5f465efb43c..747d7af3ea8 100644
--- a/scripts/update-xterm.js
+++ b/scripts/update-xterm.js
@@ -11,13 +11,13 @@ const moduleNames = [
 	'@xterm/addon-canvas',
 	'@xterm/addon-image',
 	'@xterm/addon-search',
+	'@xterm/addon-serialize',
 	'@xterm/addon-unicode11',
 	'@xterm/addon-webgl',
 ];
 
 const backendOnlyModuleNames = [
-	'@xterm/headless',
-	'@xterm/addon-serialize'
+	'@xterm/headless'
 ];
 
 const vscodeDir = process.argv.length >= 3 ? process.argv[2] : process.cwd();