diff -Nru fwupd-signed-1.10~ubuntu18.04.5/debian/changelog fwupd-signed-1.10~ubuntu18.04.6/debian/changelog
--- fwupd-signed-1.10~ubuntu18.04.5/debian/changelog	2021-03-27 02:49:43.000000000 +0800
+++ fwupd-signed-1.10~ubuntu18.04.6/debian/changelog	2021-08-31 17:50:22.000000000 +0800
@@ -1,3 +1,9 @@
+fwupd-signed (1.10~ubuntu18.04.6) bionic; urgency=medium
+
+  * Build depends on fwupd version 1.2.14-0~18.04.2. (LP: #1921539)
+
+ -- Yuan-Chen Cheng <yc.cheng@canonical.com>  Tue, 31 Aug 2021 17:50:22 +0800
+
 fwupd-signed (1.10~ubuntu18.04.5) bionic; urgency=medium
 
   * Build depends on fwupd version 1.2.14-0~18.04.1
diff -Nru fwupd-signed-1.10~ubuntu18.04.5/debian/control fwupd-signed-1.10~ubuntu18.04.6/debian/control
--- fwupd-signed-1.10~ubuntu18.04.5/debian/control	2021-03-27 02:49:43.000000000 +0800
+++ fwupd-signed-1.10~ubuntu18.04.6/debian/control	2021-08-31 17:50:16.000000000 +0800
@@ -2,7 +2,7 @@
 Section: utils
 Priority: optional
 Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
-Build-Depends: debhelper (>= 9), python3, python3-apt, fwupd (>= 1.2.14-0~18.04.1)
+Build-Depends: debhelper (>= 9), python3, python3-apt, fwupd (>= 1.2.14-0~18.04.2)
 Standards-Version: 4.1.3
 Vcs-Git: https://salsa.debian.org/efi-team/fwupd-signed.git
 Vcs-Browser: https://salsa.debian.org/efi-team/fwupd-signed