diff --git a/lib/Kconfig b/lib/Kconfig
index 79cf9ef..bc106e2 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -431,6 +431,10 @@
 	bool "Trusted Platform Module (TPM) Support"
 	depends on DM
 	imply DM_RNG
+	select SHA1
+	select SHA256
+	select SHA384
+	select SHA512
 	help
 	  This enables support for TPMs which can be used to provide security
 	  features for your board. The TPM can be connected via LPC or I2C