diff --git a/debian/apache2.postinst b/debian/apache2.postinst
index bc839f1..0b87a6b 100644
--- a/debian/apache2.postinst
+++ b/debian/apache2.postinst
@@ -56,7 +56,7 @@ enable_default_conf()
 	if is_fresh_install $@ ; then
 		for conf in charset localized-error-pages other-vhosts-access-log \
 				security serve-cgi-bin \
-				csp hsts ; do
+				csp hsts modern-cookies ; do
 			a2enconf -m -q $conf
 		done
 	fi
diff --git a/debian/config-dir/conf-available/modern-cookies.conf b/debian/config-dir/conf-available/modern-cookies.conf
new file mode 100644
index 0000000..d84a6f7
--- /dev/null
+++ b/debian/config-dir/conf-available/modern-cookies.conf
@@ -0,0 +1,7 @@
+# /etc/apache2/conf-available/modern-cookies.conf
+
+<IfModule mod_headers.c>
+	<IfModule mod_ssl.c>
+		Header edit Set-Cookie ^(.*)$ $1;HttpOnly;SameSite=Strict;Secure
+	</IfModule>
+</IfModule>