diff --git a/package/network/config/swconfig/Makefile b/package/network/config/swconfig/Makefile
index 8b1d6cd64a..4d3e572d82 100644
--- a/package/network/config/swconfig/Makefile
+++ b/package/network/config/swconfig/Makefile
@@ -23,6 +23,9 @@ define Package/swconfig
   TITLE:=Switch configuration utility
 endef
 
+TARGET_CFLAGS += -flto
+TARGET_LDFLAGS += -flto=jobserver
+
 TARGET_CPPFLAGS := \
 	-D_GNU_SOURCE \
 	-I$(STAGING_DIR)/usr/include/libnl-tiny \