Bump version to 4.0.0
Signed-off-by: David Horstmann <david.horstmann@arm.com>
diff --git a/doxygen/input/doc_mainpage.h b/doxygen/input/doc_mainpage.h
index 3eb5f75..fb4439a 100644
--- a/doxygen/input/doc_mainpage.h
+++ b/doxygen/input/doc_mainpage.h
@@ -10,7 +10,7 @@
*/
/**
- * @mainpage Mbed TLS v3.6.0 API Documentation
+ * @mainpage Mbed TLS v4.0.0 API Documentation
*
* This documentation describes the internal structure of Mbed TLS. It was
* automatically generated from specially formatted comment blocks in