Update library version number to 2.4.0
diff --git a/include/mbedtls/version.h b/include/mbedtls/version.h
index b40aa51..6c0cc9b 100644
--- a/include/mbedtls/version.h
+++ b/include/mbedtls/version.h
@@ -38,7 +38,7 @@
  * Major, Minor, Patchlevel
  */
 #define MBEDTLS_VERSION_MAJOR  2
-#define MBEDTLS_VERSION_MINOR  3
+#define MBEDTLS_VERSION_MINOR  4
 #define MBEDTLS_VERSION_PATCH  0
 
 /**
@@ -46,9 +46,9 @@
  *    MMNNPP00
  *    Major version | Minor version | Patch version
  */
-#define MBEDTLS_VERSION_NUMBER         0x02030000
-#define MBEDTLS_VERSION_STRING         "2.3.0"
-#define MBEDTLS_VERSION_STRING_FULL    "mbed TLS 2.3.0"
+#define MBEDTLS_VERSION_NUMBER         0x02040000
+#define MBEDTLS_VERSION_STRING         "2.4.0"
+#define MBEDTLS_VERSION_STRING_FULL    "mbed TLS 2.4.0"
 
 #if defined(MBEDTLS_VERSION_C)