diff --git a/vtable-dumper.spec b/vtable-dumper.spec
index a557775..0c54304 100644
--- a/vtable-dumper.spec
+++ b/vtable-dumper.spec
@@ -21,7 +21,7 @@ compatibility.
 %setup -q
 
 # Simple makefile doesn't respect environment variables so cheat it.
-sed -i 's|\-Wall|%{optflags}|' Makefile
+sed -i 's|\-Wall|%{optflags} -fPIC -pie -Wl,-z,relro -Wl,-z,now|' Makefile
 
 
 %build