diff -Nru linux-base-4.5ubuntu1.3/debian/changelog linux-base-4.5ubuntu1.4/debian/changelog
--- linux-base-4.5ubuntu1.3/debian/changelog	2021-04-14 11:17:10.000000000 +0000
+++ linux-base-4.5ubuntu1.4/debian/changelog	2021-04-29 13:27:48.000000000 +0000
@@ -1,3 +1,10 @@
+linux-base (4.5ubuntu1.4) bionic; urgency=medium
+
+  * Make the new posinst hook executable (the correct bits were lost when
+    adding the scripts via debdiff) (LP: #1877088).
+
+ -- Stefan Bader <stefan.bader@canonical.com>  Thu, 29 Apr 2021 15:27:48 +0200
+
 linux-base (4.5ubuntu1.3) bionic; urgency=medium
 
   [ Stefan Bader ]