diff --git a/packages/mermaid/package.json b/packages/mermaid/package.json
index 52d0677d5..257cf7780 100644
--- a/packages/mermaid/package.json
+++ b/packages/mermaid/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mermaid-chart/mermaid",
-  "version": "11.0.0-b.45",
+  "version": "11.0.0-b.46",
   "description": "Markdown-ish syntax for generating flowcharts, sequence diagrams, class diagrams, gantt charts and git graphs.",
   "type": "module",
   "module": "./dist/mermaid.core.mjs",
@@ -136,4 +136,4 @@
     "dist/",
     "README.md"
   ]
-}
+}
\ No newline at end of file
diff --git a/packages/mermaid/src/config.type.ts b/packages/mermaid/src/config.type.ts
index 6e3b3cee0..454655105 100644
--- a/packages/mermaid/src/config.type.ts
+++ b/packages/mermaid/src/config.type.ts
@@ -61,7 +61,7 @@ export interface MermaidConfig {
    * You may also use `themeCSS` to override this value.
    *
    */
-  theme?: 'default' | 'forest' | 'dark' | 'neutral' | 'null';
+  theme?: 'default' | 'base' | 'dark' | 'forest' | 'neutral' | 'neo' | 'neo-dark' | 'null';
   themeVariables?: any;
   themeCSS?: string;
   /**