Update version_features.c
diff --git a/library/version_features.c b/library/version_features.c
index e19e314..8d3f2ad 100644
--- a/library/version_features.c
+++ b/library/version_features.c
@@ -537,6 +537,9 @@
#if defined(MBEDTLS_X509_ON_DEMAND_PARSING)
"MBEDTLS_X509_ON_DEMAND_PARSING",
#endif /* MBEDTLS_X509_ON_DEMAND_PARSING */
+#if defined(MBEDTLS_X509_ALWAYS_FLUSH)
+ "MBEDTLS_X509_ALWAYS_FLUSH",
+#endif /* MBEDTLS_X509_ALWAYS_FLUSH */
#if defined(MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3)
"MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3",
#endif /* MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3 */