diff --git a/debian/rules b/debian/rules
index 9ec67e5..e6e8c75 100755
--- a/debian/rules
+++ b/debian/rules
@@ -1,6 +1,6 @@
 #!/usr/bin/make -f
 
-DEB_BUILD_HARDENING=1
+export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 
 %:
 	dh $@ --with autoreconf