diff --git a/configs/baremetal.h b/configs/baremetal.h
index e4e3a2ac8..5c185d220 100644
--- a/configs/baremetal.h
+++ b/configs/baremetal.h
@@ -116,6 +116,8 @@
 #define MBEDTLS_SSL_CONF_ENFORCE_EXTENDED_MASTER_SECRET \
     MBEDTLS_SSL_EXTENDED_MS_ENFORCE_ENABLED
 
+#define MBEDTLS_USE_TINYCRYPT
+
 /* X.509 CRT parsing */
 #define MBEDTLS_X509_USE_C
 #define MBEDTLS_X509_CRT_PARSE_C