diff --git a/configs/baremetal.h b/configs/baremetal.h
index d998a53f9..11cb579d7 100644
--- a/configs/baremetal.h
+++ b/configs/baremetal.h
@@ -62,7 +62,7 @@
 
 /* Key exchanges */
 #define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
-#define MBEDTLS_SSL_CIPHERSUITES MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8
+#define MBEDTLS_SSL_CIPHERSUITES MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8
 
 /* Digests - just SHA-256 */
 #define MBEDTLS_MD_C