diff --git a/Makefile.am b/Makefile.am
index 9c44d68..94600cc 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -10,7 +10,7 @@
 
 phosphor_inventory_SOURCES = app.cpp
 phosphor_inventory_LDADD = libmanager.la $(SDBUSPLUS_LIBS)
-phosphor_inventory_CXXFLAGS = $(SDBUSPLUS_CFLAGS)
+phosphor_inventory_CXXFLAGS = $(SDBUSPLUS_CFLAGS) -flto
 
 libmanagercommon_la_LDFLAGS = -static
 libmanagercommon_la_SOURCES = \