diff --git a/addons/xterm-addon-serialize/package.json b/addons/xterm-addon-serialize/package.json
index bb82fe80..e2b8cbb4 100644
--- a/addons/xterm-addon-serialize/package.json
+++ b/addons/xterm-addon-serialize/package.json
@@ -1,6 +1,6 @@
 {
   "name": "xterm-addon-serialize",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "author": {
     "name": "The xterm.js authors",
     "url": "https://xtermjs.org/"
diff --git a/addons/xterm-addon-webgl/package.json b/addons/xterm-addon-webgl/package.json
index d2c95935..a3484a82 100644
--- a/addons/xterm-addon-webgl/package.json
+++ b/addons/xterm-addon-webgl/package.json
@@ -1,6 +1,6 @@
 {
   "name": "xterm-addon-webgl",
-  "version": "0.8.0",
+  "version": "0.9.0",
   "author": {
     "name": "The xterm.js authors",
     "url": "https://xtermjs.org/"
diff --git a/package.json b/package.json
index fdb7e93e..3c8f5783 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "xterm",
   "description": "Full xterm terminal, in your browser",
-  "version": "4.8.1",
+  "version": "4.9.0",
   "main": "lib/xterm.js",
   "style": "css/xterm.css",
   "types": "typings/xterm.d.ts",