diff -Nru grub2-signed-1.66.18/debian/changelog grub2-signed-1.66.19/debian/changelog
--- grub2-signed-1.66.18/debian/changelog	2018-03-20 14:27:27.000000000 +0000
+++ grub2-signed-1.66.19/debian/changelog	2018-09-06 11:02:19.000000000 +0000
@@ -1,3 +1,9 @@
+grub2-signed (1.66.19) xenial; urgency=medium
+
+  * Rebuild against grub2 2.02~beta2-36ubuntu3.19. (LP: #1785033))
+
+ -- Timo Aaltonen <tjaalton@debian.org>  Thu, 06 Sep 2018 14:02:19 +0300
+
 grub2-signed (1.66.18) xenial; urgency=medium
 
   * Rebuild against grub2 2.02~beta2-36ubuntu3.18. (LP: #1437353)
diff -Nru grub2-signed-1.66.18/debian/control grub2-signed-1.66.19/debian/control
--- grub2-signed-1.66.18/debian/control	2018-03-20 14:27:27.000000000 +0000
+++ grub2-signed-1.66.19/debian/control	2018-09-06 11:02:19.000000000 +0000
@@ -2,7 +2,7 @@
 Section: utils
 Priority: optional
 Maintainer: Colin Watson <cjwatson@ubuntu.com>
-Build-Depends: debhelper (>= 9), lsb-release, python3, python3-apt, grub-efi-amd64-bin (>= 2.02~beta2-36ubuntu3.18) [amd64], grub-efi-arm64-bin (>= 2.02~beta2-36ubuntu3.18) [arm64]
+Build-Depends: debhelper (>= 9), lsb-release, python3, python3-apt, grub-efi-amd64-bin (>= 2.02~beta2-36ubuntu3.19) [amd64], grub-efi-arm64-bin (>= 2.02~beta2-36ubuntu3.19) [arm64]
 Standards-Version: 3.9.5
 
 Package: grub-efi-amd64-signed