diff --git a/Makefile.dep b/Makefile.dep
index 2355db32a3..8b0c36cc93 100644
--- a/Makefile.dep
+++ b/Makefile.dep
@@ -939,7 +939,7 @@ endif
 ifneq (,$(filter suit_v4,$(USEMODULE)))
   USEPKG += tinycbor
   USEPKG += libcose
-  USEMODULE += libcose_crypt_hacl
+  USEMODULE += libcose_crypt_c25519
   USEMODULE += suit_conditions
 
   # SUIT depends on riotboot support and some extra riotboot modules