diff --git a/Makefile b/Makefile
index a740dd7..00dfa38 100644
--- a/Makefile
+++ b/Makefile
@@ -21,7 +21,7 @@ OBJECTS = $(addprefix ${OBJDIR}/,$(patsubst %.cpp,%.cpp.o,${SOURCES}))
 all: KoreanNumbers
 
 KoreanNumbers: ${OBJECTS}
-	$(CXX) $(CXXFLAGS) -o KoreanNumbers $^
+	$(CXX) $(CXXFLAGS) -fPIE -pie -o KoreanNumbers $^
 
 ${OBJDIR}/%.cpp.o: %.cpp
 	@mkdir -p $(dir $@)