diff --git a/src/project.conf b/src/project.conf
index 3cf8f99..51d799b 100644
--- a/src/project.conf
+++ b/src/project.conf
@@ -1,6 +1,7 @@
 targets=libDesktop
 cppflags_force=-I ../include
 cflags=-W -Wall -g -O2 -pedantic -D_FORTIFY_SOURCE=2 -fstack-protector-all
+ldflags=-Wl,-z,relro -Wl,-z,now
 #for Gtk+ 2
 cflags_force=`pkg-config --cflags libSystem gtk+-2.0` -fPIC
 ldflags_force=`pkg-config --libs libSystem gtk+-2.0`
diff --git a/tests/project.conf b/tests/project.conf
index 2509f3f..e2d142b 100644
--- a/tests/project.conf
+++ b/tests/project.conf
@@ -1,7 +1,7 @@
 targets=tests.log,widget
 cppflags_force=-I ../include
 cflags=-W -Wall -g -O2 -pedantic -fPIE -D_FORTIFY_SOURCE=2 -fstack-protector-all
-ldflags=-pie
+ldflags=-pie -Wl,-z,relro -Wl,-z,now
 #for Gtk+ 2
 cflags_force=`pkg-config --cflags libSystem gtk+-2.0`
 ldflags_force=`pkg-config --libs libSystem gtk+-2.0` $(OBJDIR)../src/libDesktop.a
diff --git a/tools/project.conf b/tools/project.conf
index 960f1eb..3fbe0e4 100644
--- a/tools/project.conf
+++ b/tools/project.conf
@@ -1,7 +1,7 @@
 targets=widget
 cppflags_force=-I ../include
 cflags=-W -Wall -g -O2 -pedantic -fPIE -D_FORTIFY_SOURCE=2 -fstack-protector-all
-ldflags=-pie
+ldflags=-pie -Wl,-z,relro -Wl,-z,now
 #for Gtk+ 2
 cflags_force=`pkg-config --cflags libSystem gtk+-2.0`
 ldflags_force=`pkg-config --libs libSystem gtk+-2.0` -L $(OBJDIR)../src -lDesktop