diff --git a/ldns.spec b/ldns.spec
index 9b60395..e97561f 100644
--- a/ldns.spec
+++ b/ldns.spec
@@ -1,3 +1,4 @@
+%global _hardened_build 1
 %{?!with_python:      %global with_python      1}
 %{?!with_perl:        %global with_perl        1}
 %{?!with_ecc:        %global with_ecc          1}
@@ -249,6 +250,7 @@ rm -rf %{buildroot}
 - Fix 1017958 - 32 and 64 bit ldns conflicts on some manual pages
 - Fix rhbz#1062874 - cannot install ldns.x86_64 in parallel to ldns.i686
 - Incorporate fixes from Tuomo Soini <tis@foobar.fi>
+- hardened build
 - fix ldns internal provides and requires filter
 - fix perl-ldns requirement to include %%_isa
 - setup filters for perl and python bindings for internal stuff