diff --git a/debian/rules b/debian/rules
index 2afc72a..e4c6b9a 100755
--- a/debian/rules
+++ b/debian/rules
@@ -2,6 +2,9 @@
 
 # Uncomment this to turn on verbose mode.
 #export DH_VERBOSE=1
+
+# Harden
+export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 
 derives_from_ubuntu := $(shell (dpkg-vendor --derives-from Ubuntu && echo "yes") || echo "no")