diff --git a/crypto/Kconfig b/crypto/Kconfig
index 69c5f99..f07d923 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -34,6 +34,7 @@
 
 config CRYPTO_HMAC
 	bool "HMAC support"
+	select CRYPTO_HASH
 	help
 	  HMAC: Keyed-Hashing for Message Authentication (RFC2104).
 	  This is required for IPSec.