diff --git a/package/botan/botan.mk b/package/botan/botan.mk
index 59fbc950b0..52019f36eb 100644
--- a/package/botan/botan.mk
+++ b/package/botan/botan.mk
@@ -67,6 +67,11 @@ BOTAN_DEPENDENCIES += sqlite
 BOTAN_CONF_OPTS += --with-sqlite
 endif
 
+ifeq ($(BR2_PACKAGE_TROUSERS),y)
+BOTAN_DEPENDENCIES += trousers
+BOTAN_CONF_OPTS += --with-tpm
+endif
+
 ifeq ($(BR2_PACKAGE_XZ),y)
 BOTAN_DEPENDENCIES += xz
 BOTAN_CONF_OPTS += --with-lzma