Version bump 3.6.4

Signed-off-by: Minos Galanakis <minos.galanakis@arm.com>
diff --git a/include/mbedtls/build_info.h b/include/mbedtls/build_info.h
index e70c4d7..e18e823 100644
--- a/include/mbedtls/build_info.h
+++ b/include/mbedtls/build_info.h
@@ -26,16 +26,16 @@
  */
 #define MBEDTLS_VERSION_MAJOR  3
 #define MBEDTLS_VERSION_MINOR  6
-#define MBEDTLS_VERSION_PATCH  3
+#define MBEDTLS_VERSION_PATCH  4
 
 /**
  * The single version number has the following structure:
  *    MMNNPP00
  *    Major version | Minor version | Patch version
  */
-#define MBEDTLS_VERSION_NUMBER         0x03060300
-#define MBEDTLS_VERSION_STRING         "3.6.3"
-#define MBEDTLS_VERSION_STRING_FULL    "Mbed TLS 3.6.3"
+#define MBEDTLS_VERSION_NUMBER         0x03060400
+#define MBEDTLS_VERSION_STRING         "3.6.4"
+#define MBEDTLS_VERSION_STRING_FULL    "Mbed TLS 3.6.4"
 
 /* Macros for build-time platform detection */