diff --git a/addons/xterm-addon-attach/package.json b/addons/xterm-addon-attach/package.json
index dd134308a..2dc73df50 100644
--- a/addons/xterm-addon-attach/package.json
+++ b/addons/xterm-addon-attach/package.json
@@ -1,6 +1,6 @@
 {
   "name": "xterm-addon-attach",
-  "version": "0.4.0",
+  "version": "0.5.0",
   "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 550635250..344227746 100644
--- a/addons/xterm-addon-webgl/package.json
+++ b/addons/xterm-addon-webgl/package.json
@@ -1,6 +1,6 @@
 {
   "name": "xterm-addon-webgl",
-  "version": "0.4.1",
+  "version": "0.5.0",
   "author": {
     "name": "The xterm.js authors",
     "url": "https://xtermjs.org/"
diff --git a/bin/publish.js b/bin/publish.js
index 9050c344e..88e4d0c0b 100644
--- a/bin/publish.js
+++ b/bin/publish.js
@@ -29,6 +29,8 @@ const addonPackageDirs = [
   path.resolve(__dirname, '../addons/xterm-addon-attach'),
   path.resolve(__dirname, '../addons/xterm-addon-fit'),
   path.resolve(__dirname, '../addons/xterm-addon-search'),
+  path.resolve(__dirname, '../addons/xterm-addon-serialize'),
+  path.resolve(__dirname, '../addons/xterm-addon-unicode11'),
   path.resolve(__dirname, '../addons/xterm-addon-web-links'),
   path.resolve(__dirname, '../addons/xterm-addon-webgl')
 ];