diff --git a/configs/config-no-entropy.h b/configs/config-no-entropy.h
index f92d9c3..24822ea 100644
--- a/configs/config-no-entropy.h
+++ b/configs/config-no-entropy.h
@@ -75,6 +75,7 @@
 #define MBEDTLS_RSA_C
 #define MBEDTLS_SHA256_C
 #define MBEDTLS_SHA512_C
+#define MBEDTLS_SHA384_C
 #define MBEDTLS_VERSION_C
 #define MBEDTLS_X509_USE_C
 #define MBEDTLS_X509_CRT_PARSE_C