diff --git a/package.json b/package.json
index 891eddd4..f1daefc4 100644
--- a/package.json
+++ b/package.json
@@ -72,6 +72,7 @@
     "@types/papaparse": "^5.5.2",
     "@xterm/addon-fit": "0.12.0-beta.288",
     "@xterm/addon-search": "0.17.0-beta.288",
+    "@xterm/addon-serialize": "0.15.0-beta.288",
     "@xterm/addon-unicode-graphemes": "0.5.0-beta.288",
     "@xterm/addon-web-links": "0.13.0-beta.288",
     "@xterm/addon-webgl": "0.20.0-beta.287",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 7bd0e524..c879c859 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -113,6 +113,9 @@ importers:
       '@xterm/addon-search':
         specifier: 0.17.0-beta.288
         version: 0.17.0-beta.288(@xterm/xterm@6.1.0-beta.288)
+      '@xterm/addon-serialize':
+        specifier: 0.15.0-beta.288
+        version: 0.15.0-beta.288(@xterm/xterm@6.1.0-beta.288)
       '@xterm/addon-unicode-graphemes':
         specifier: 0.5.0-beta.288
         version: 0.5.0-beta.288(@xterm/xterm@6.1.0-beta.288)
@@ -4205,6 +4208,11 @@ packages:
     peerDependencies:
       '@xterm/xterm': ^6.1.0-beta.288
 
+  '@xterm/addon-serialize@0.15.0-beta.288':
+    resolution: {integrity: sha512-9wgP/SJeG5ko5ddUDy0gstcziSqlb8ESm8BGtddxz4/56zVGs0DVPVIKQUYKLKKHDCPxm1b6T9YuK3f6WRd3CA==}
+    peerDependencies:
+      '@xterm/xterm': ^6.1.0-beta.288
+
   '@xterm/addon-unicode-graphemes@0.5.0-beta.288':
     resolution: {integrity: sha512-127ICNqM+/QZ7cE0knEDh+tJeD6LJRSty1V45a2iWa3t2goV8PWO9LYD83BXavyiZnofjxdNMDdDuj9SbaUY4w==}
     peerDependencies:
@@ -13688,6 +13696,10 @@ snapshots:
     dependencies:
       '@xterm/xterm': 6.1.0-beta.288
 
+  '@xterm/addon-serialize@0.15.0-beta.288(@xterm/xterm@6.1.0-beta.288)':
+    dependencies:
+      '@xterm/xterm': 6.1.0-beta.288
+
   '@xterm/addon-unicode-graphemes@0.5.0-beta.288(@xterm/xterm@6.1.0-beta.288)':
     dependencies:
       '@xterm/xterm': 6.1.0-beta.288