diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index 8290c51..e18c11b 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -3636,6 +3636,12 @@
  */
 //#define MBEDTLS_SSL_CONF_RNG mbedtls_ctr_drbg_random
 
+/* TLS version */
+//#define MBEDTLS_SSL_CONF_MIN_MINOR_VER MBEDTLS_SSL_MINOR_VERSION_3
+//#define MBEDTLS_SSL_CONF_MAX_MINOR_VER MBEDTLS_SSL_MINOR_VERSION_3
+//#define MBEDTLS_SSL_CONF_MIN_MAJOR_VER MBEDTLS_SSL_MAJOR_VERSION_3
+//#define MBEDTLS_SSL_CONF_MAX_MAJOR_VER MBEDTLS_SSL_MAJOR_VERSION_3
+
 /* ExtendedMasterSecret extension
  * The following two options must be set/unset simultaneously. */
 //#define MBEDTLS_SSL_CONF_EXTENDED_MASTER_SECRET MBEDTLS_SSL_EXTENDED_MS_ENABLED