diff --git a/debian/changelog b/debian/changelog
index aa45a3e..3d11b85 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -28,8 +28,9 @@ nut (2.7.4-1) UNRELEASED; urgency=low
   * debian/control: Fix the grammar in nut-ipmi long description
   * Drop debian/nut-monitor.menu and debian/nut-monitor.xpm, not needed
     anymore per tech-ctte decision #741573
+  * debian/rules: Enable hardening=+all
 
- -- Laurent Bigonville <bigon@debian.org>  Mon, 18 Jul 2016 10:02:04 +0200
+ -- Laurent Bigonville <bigon@debian.org>  Mon, 18 Jul 2016 10:22:38 +0200
 
 nut (2.7.2-4) unstable; urgency=medium
 
diff --git a/debian/rules b/debian/rules
index f7dfd8a..74a25c4 100755
--- a/debian/rules
+++ b/debian/rules
@@ -15,6 +15,7 @@ DEB_HOST_ARCH_OS := $(shell dpkg-architecture -qDEB_HOST_ARCH_OS 2>/dev/null)
 include /usr/share/cdbs/1/rules/utils.mk
 common-binary-post-install-arch:: list-missing
 
+DEB_BUILD_MAINT_OPTIONS=hardening=+all
 DEB_LDFLAGS_MAINT_APPEND=-Wl,-z,defs -Wl,-O1 -Wl,--as-needed
 include /usr/share/dpkg/buildflags.mk