diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index 2d32f67..35a4a0c 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -328,6 +328,7 @@
 //#define MBEDTLS_SHA1_ALT
 //#define MBEDTLS_SHA256_ALT
 //#define MBEDTLS_SHA512_ALT
+//#define MBEDTLS_SHA3_ALT
 
 /*
  * When replacing the elliptic curve module, pleace consider, that it is
@@ -2864,6 +2865,17 @@
 #define MBEDTLS_SHA512_C
 
 /**
+ * \def MBEDTLS_SHA3_C
+ *
+ * Enable the SHA3 cryptographic hash algorithm.
+ *
+ * Module:  library/sha3.c
+ *
+ * This module adds support for SHA3.
+ */
+#define MBEDTLS_SHA3_C
+
+/**
  * \def MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT
  *
  * Enable acceleration of the SHA-512 cryptographic hash algorithm with the