diff --git a/material/base.html b/material/base.html
index 54658146f..a653ffffc 100644
--- a/material/base.html
+++ b/material/base.html
@@ -22,7 +22,7 @@
         <link rel="canonical" href="{{ page.canonical_url }}">
       {% endif %}
       <link rel="icon" href="{{ config.theme.favicon | url }}">
-      <meta name="generator" content="mkdocs-{{ mkdocs_version }}, mkdocs-material-9.0.0b3">
+      <meta name="generator" content="mkdocs-{{ mkdocs_version }}, mkdocs-material-9.0.0b4">
     {% endblock %}
     {% block htmltitle %}
       {% if page.meta and page.meta.title %}
diff --git a/package-lock.json b/package-lock.json
index 908fda356..88060ef54 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "mkdocs-material",
-  "version": "9.0.0b3",
+  "version": "9.0.0b4",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "mkdocs-material",
-      "version": "9.0.0b3",
+      "version": "9.0.0b4",
       "license": "MIT",
       "dependencies": {
         "array-flat-polyfill": "^1.0.1",
diff --git a/package.json b/package.json
index 6e20f00c7..8d4ca13db 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mkdocs-material",
-  "version": "9.0.0b3",
+  "version": "9.0.0b4",
   "description": "Documentation that simply works",
   "keywords": [
     "mkdocs",