Update library version number to 2.14.0
diff --git a/doxygen/input/doc_mainpage.h b/doxygen/input/doc_mainpage.h
index b9f9ec1..44280d2 100644
--- a/doxygen/input/doc_mainpage.h
+++ b/doxygen/input/doc_mainpage.h
@@ -24,7 +24,7 @@
  */
 
 /**
- * @mainpage mbed TLS v2.13.1 source code documentation
+ * @mainpage mbed TLS v2.14.0 source code documentation
  *
  * This documentation describes the internal structure of mbed TLS.  It was
  * automatically generated from specially formatted comment blocks in