diff --git a/net/gurk-rs/Makefile b/net/gurk-rs/Makefile
index e7d1a93..0cb40d1 100644
--- a/net/gurk-rs/Makefile
+++ b/net/gurk-rs/Makefile
@@ -21,7 +21,8 @@ MODULES =	devel/cargo
 
 WANTLIB =	${MODCARGO_WANTLIB}
 
-BUILD_DEPENDS =	devel/protobuf
+BUILD_DEPENDS =	devel/protobuf \
+		security/rust-ring
 
 CONFIGURE_STYLE =	cargo