diff --git a/debian/changelog b/debian/changelog
index 23d64ef..58beb0c 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,115 +1,116 @@
 python-cassandra-driver (3.16.0-2) UNRELEASED; urgency=medium
 
   [ Héctor Orón Martínez ]
   *
 
   [ Ondřej Nový ]
   * Use debhelper-compat instead of debian/compat.
   * d/changelog: Remove trailing whitespaces.
   * Drop Python 2 support.
   * Use pybuild for building package.
   * Add python3-six to build depends.
   * Enable autopkgtest-pkg-python testsuite.
+  * Enable all hardening.
 
  -- Héctor Orón Martínez <zumbi@debian.org>  Fri, 08 Feb 2019 14:05:12 +0100
 
 python-cassandra-driver (3.16.0-1) unstable; urgency=medium
 
   [ Ondřej Nový ]
   * Convert git repository from git-dpm to gbp layout
   * d/changelog: Remove trailing whitespaces.
 
   [ Emmanuel Arias ]
   * New upstream release.
   * Add DPMT to Maintainer field on d/control.
   * Adopt package, add myself to Uploaders (Closes: #888400).
   * Update Standards Version from 4.1.4 to 4.2.1 on
     d/control file.
   * Update on d/copyright file the Copyright file for
     debian/* files.
     - Add me to there.
   * Bump debhelper compatibility to 11 (from 10).
   * Fix problems on d/copyright:
     - Fix dep5-copyright-license-name-not-unique tag lintian
   * Move from old -dbg packages to dbgsym (Closes: #857298).
     - Delete python-cassandra-dbg and python-cassandra[3]-dbg
       from d/control
     - Delete from override_dh_auto_install (on d/rules) the
       installation of *-dbg
     - Change existing -dbg to -dbgsym on d/rules
 
  -- Emmanuel Arias <emmanuelarias30@gmail.com>  Wed, 05 Dec 2018 21:16:10 +0200
 
 python-cassandra-driver (3.14.0-1) unstable; urgency=medium
 
   [ Ondřej Nový ]
   * d/control: Set Vcs-* to salsa.debian.org
   * d/copyright: Use https protocol in Format field
   * d/control: Deprecating priority extra as per policy 4.0.1
   * d/watch: Use https protocol
 
   [ Sandro Tosi ]
   * New upstream release
   * debian/rules
     - build for all supported python3 versions; patch by Scott Kitterman;
       Closes: #867010
     - remove cassandra/io/asyncioreactor.py from python2 package, code is meant
       to be py3k only
   * debian/copyright
     - extend packaging copyright years
     - update upstream copyright years
   * debian/control
     - bump Standards-Version to 4.1.4 (no changes needed)
 
  -- Sandro Tosi <morph@debian.org>  Tue, 12 Jun 2018 19:26:05 -0400
 
 python-cassandra-driver (3.7.1-2) unstable; urgency=medium
 
   * debian/rules
     - remove build and egg-info dirs in clean target, to build the package twice
       in a row; Closes: #825924
   * debian/copyright
     - extend packaging copyright years
 
  -- Sandro Tosi <morph@debian.org>  Sun, 08 Jan 2017 11:28:48 -0500
 
 python-cassandra-driver (3.7.1-1) unstable; urgency=medium
 
   * New upstream release
   * debian/rules
     - dont use cython, cassandra-driver is incompatible with 0.25 we have
   * compat level 10
 
  -- Sandro Tosi <morph@debian.org>  Sat, 17 Dec 2016 13:09:50 -0500
 
 python-cassandra-driver (3.7.0-1) unstable; urgency=medium
 
   * New upstream release
   * debian/control
     - add dh-python t0 b-d
 
  -- Sandro Tosi <morph@debian.org>  Sun, 02 Oct 2016 14:23:02 -0400
 
 python-cassandra-driver (3.4.1-1) unstable; urgency=medium
 
   [ Sandro Tosi ]
   * New upstream release
   * debian/control
     - adjust Vcs-Browser to DPMT standards
     - add libev-dev to b-p needed by cassandra.io.libevwrapper
     - bump Standards-Version to 3.9.8 (no changes needed)
   * debian/copyright
     - extend packaging copyright years
     - update upstream copyright years
   * build arch:any and debug pkgs now that this prj contains extensions
 
   [ Ondřej Nový ]
   * Fixed VCS URL (https)
 
  -- Sandro Tosi <morph@debian.org>  Sun, 12 Jun 2016 22:58:39 +0100
 
 python-cassandra-driver (2.5.1-1) unstable; urgency=low
 
   * Initial release (Closes: #771065)
 
  -- Sandro Tosi <morph@debian.org>  Thu, 25 Jun 2015 15:50:21 -0400
diff --git a/debian/rules b/debian/rules
index 4b40cab..b8f0df7 100755
--- a/debian/rules
+++ b/debian/rules
@@ -1,17 +1,18 @@
 #!/usr/bin/make -f
 
 export CASS_DRIVER_NO_CYTHON=1
+export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 
 %:
 	dh $@ --with python3 --buildsystem=pybuild
 
 override_dh_auto_clean:
 	dh_auto_clean
 	rm -rf build/ cassandra_driver.egg-info/
 
 override_dh_auto_install:
 	dh_auto_install
 	rm -rf debian/python*-dbg/usr/lib/python*/dist-packages/cassandra/numpyFlags.h
 
 override_dh_installdocs:
 	dh_installdocs README.rst