diff --git a/options.mk b/options.mk
index d3e8e72f8..e7c126cae 100644
--- a/options.mk
+++ b/options.mk
@@ -448,7 +448,7 @@ ifeq ($(SIGN),XMSS)
   ifeq ($(WOLFBOOT_SMALL_STACK),1)
     $(error WOLFBOOT_SMALL_STACK with XMSS not supported)
   else
-    STACK_USAGE=2720
+    STACK_USAGE=9352
   endif
 endif