diff --git a/debian/rules b/debian/rules
index 002e58c..a9fbe7c 100755
--- a/debian/rules
+++ b/debian/rules
@@ -1,5 +1,6 @@
 #!/usr/bin/make -f
 
+export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 export DEB_BUILD_HARDENING=1
 include /usr/share/dpkg/buildflags.mk