diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index 4d753c8..9104a59 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -79,7 +79,9 @@
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
 #define MBEDTLS_SSL_MIN_MINOR_VERSION           MBEDTLS_SSL_MINOR_VERSION_3
-#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
+#elif defined(MBEDTLS_SSL_PROTO_TLS1_3)
+#define MBEDTLS_SSL_MIN_MINOR_VERSION           MBEDTLS_SSL_MINOR_VERSION_4
+#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
 
 #define MBEDTLS_SSL_MIN_VALID_MINOR_VERSION MBEDTLS_SSL_MINOR_VERSION_3
 #define MBEDTLS_SSL_MIN_VALID_MAJOR_VERSION MBEDTLS_SSL_MAJOR_VERSION_3
@@ -87,10 +89,14 @@
 /* Determine maximum supported version */
 #define MBEDTLS_SSL_MAX_MAJOR_VERSION           MBEDTLS_SSL_MAJOR_VERSION_3
 
-#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
+#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
+#define MBEDTLS_SSL_MAX_MINOR_VERSION           MBEDTLS_SSL_MINOR_VERSION_4
+#elif defined(MBEDTLS_SSL_PROTO_TLS1_2)
 #define MBEDTLS_SSL_MAX_MINOR_VERSION           MBEDTLS_SSL_MINOR_VERSION_3
 #endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
 
+
+
 /* Shorthand for restartable ECC */
 #if defined(MBEDTLS_ECP_RESTARTABLE) && \
     defined(MBEDTLS_SSL_CLI_C) && \
@@ -748,7 +754,6 @@
     /*
      * Checksum contexts
      */
-#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
 #if defined(MBEDTLS_SHA256_C)
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
     psa_hash_operation_t fin_sha256_psa;
@@ -763,7 +768,6 @@
     mbedtls_sha512_context fin_sha512;
 #endif
 #endif
-#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
     uint16_t offered_group_id; /* The NamedGroup value for the group