diff --git a/library/version_features.c b/library/version_features.c
index fa3711924..0b7c0af6d 100644
--- a/library/version_features.c
+++ b/library/version_features.c
@@ -249,6 +249,9 @@ static const char *features[] = {
 #if defined(MBEDTLS_CIPHER_MODE_CBC)
     "MBEDTLS_CIPHER_MODE_CBC",
 #endif /* MBEDTLS_CIPHER_MODE_CBC */
+#if defined(MBEDTLS_CIPHER_MODE_XEX)
+    "MBEDTLS_CIPHER_MODE_XEX",
+#endif /* MBEDTLS_CIPHER_MODE_XEX */
 #if defined(MBEDTLS_CIPHER_MODE_OFB)
     "MBEDTLS_CIPHER_MODE_OFB",
 #endif /* MBEDTLS_CIPHER_MODE_OFB */