diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index 8577365..56ad01c 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -1386,7 +1386,7 @@
  *
  * Module:  library/gcm.c
  *
- * Requires: MBEDTLS_AES_C or MBEDTLS_CAMELLIA_C
+ * Requires: MBEDTLS_AES_C or MBEDTLS_CAMELLIA_C or MBEDTLS_ARIA_C
  *
  * This module is required to support the TLS ciphersuites that use GCM.
  */