diff -Nru nvidia-graphics-drivers-530-530.41.03/debian/changelog nvidia-graphics-drivers-530-530.41.03/debian/changelog
--- nvidia-graphics-drivers-530-530.41.03/debian/changelog	2023-04-11 14:05:49.000000000 +0000
+++ nvidia-graphics-drivers-530-530.41.03/debian/changelog	2023-04-14 16:12:06.000000000 +0000
@@ -1,3 +1,10 @@
+nvidia-graphics-drivers-530 (530.41.03-0ubuntu0.20.04.2) focal; urgency=medium
+
+  * debian/templates/control.in:
+   - Add build dependency on ztd on i386.
+
+ -- Alberto Milone <alberto.milone@canonical.com>  Fri, 14 Apr 2023 16:12:06 +0000
+
 nvidia-graphics-drivers-530 (530.41.03-0ubuntu0.20.04.1) focal; urgency=medium
 
   * Initial release (LP: #2015491).
diff -Nru nvidia-graphics-drivers-530-530.41.03/debian/control nvidia-graphics-drivers-530-530.41.03/debian/control
--- nvidia-graphics-drivers-530-530.41.03/debian/control	2023-04-11 14:05:49.000000000 +0000
+++ nvidia-graphics-drivers-530-530.41.03/debian/control	2023-04-14 16:12:06.000000000 +0000
@@ -10,6 +10,7 @@
  debhelper (>= 9),
  dpkg-dev (>= 1.17.11~),
  xz-utils,
+ zstd [i386],
  dkms,
  libxext6,
  quilt,
diff -Nru nvidia-graphics-drivers-530-530.41.03/debian/templates/control.in nvidia-graphics-drivers-530-530.41.03/debian/templates/control.in
--- nvidia-graphics-drivers-530-530.41.03/debian/templates/control.in	2023-04-11 14:05:49.000000000 +0000
+++ nvidia-graphics-drivers-530-530.41.03/debian/templates/control.in	2023-04-14 16:12:06.000000000 +0000
@@ -10,6 +10,7 @@
  debhelper (>= 9),
  dpkg-dev (>= 1.17.11~),
  xz-utils,
+ zstd [i386],
  dkms,
  libxext6,
  quilt,