diff --git a/package/fwts/fwts.mk b/package/fwts/fwts.mk
index c63e2c5f16..7ec1d5ed31 100644
--- a/package/fwts/fwts.mk
+++ b/package/fwts/fwts.mk
@@ -10,7 +10,7 @@ FWTS_STRIP_COMPONENTS = 0
 FWTS_LICENSE = GPLv2, LGPLv2.1, Custom
 FWTS_LICENSE_FILES = debian/copyright
 FWTS_AUTORECONF = YES
-FWTS_DEPENDENCIES = host-pkgconf json-c libglib2 \
+FWTS_DEPENDENCIES = host-bison host-flex host-pkgconf json-c libglib2 \
 	$(if $(BR2_PACKAGE_DTC),dtc)
 
 $(eval $(autotools-package))