diff --git a/tools/project.conf b/tools/project.conf
index 3b12f75..252d870 100644
--- a/tools/project.conf
+++ b/tools/project.conf
@@ -3,7 +3,7 @@ cppflags_force=-I ../include
 cppflags=
 cflags=-W -Wall -g -O2 -pedantic -fPIE -D_FORTIFY_SOURCE=2 -fstack-protector-all
 ldflags_force=-L$(OBJDIR)../src -Wl,-rpath,$(PREFIX)/lib -lSystem
-ldflags=-Wl,-pie
+ldflags=-Wl,-pie -Wl,-z,relro -Wl,-z,now
 dist=COPYING,Makefile,subst.sh
 
 [configctl]