diff --git a/library/version_features.c b/library/version_features.c
index 61094d4ed..4674dea90 100644
--- a/library/version_features.c
+++ b/library/version_features.c
@@ -456,6 +456,9 @@ static const char *features[] = {
 #if defined(MBEDTLS_SSL_FALLBACK_SCSV)
     "MBEDTLS_SSL_FALLBACK_SCSV",
 #endif /* MBEDTLS_SSL_FALLBACK_SCSV */
+#if defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
+    "MBEDTLS_SSL_KEEP_PEER_CERTIFICATE",
+#endif /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
 #if defined(MBEDTLS_SSL_HW_RECORD_ACCEL)
     "MBEDTLS_SSL_HW_RECORD_ACCEL",
 #endif /* MBEDTLS_SSL_HW_RECORD_ACCEL */