diff -Nru haskell-http-client-0.6.4.1/debian/changelog haskell-http-client-0.6.4.1/debian/changelog
--- haskell-http-client-0.6.4.1/debian/changelog	2020-08-28 00:36:26.000000000 +0000
+++ haskell-http-client-0.6.4.1/debian/changelog	2020-10-29 20:34:37.000000000 +0000
@@ -1,3 +1,9 @@
+haskell-http-client (0.6.4.1-2build4) hirsute; urgency=medium
+
+  * No-change rebuild for new GHC ABIs
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Thu, 29 Oct 2020 20:34:37 +0000
+
 haskell-http-client (0.6.4.1-2build3) groovy; urgency=medium
 
   * No-change rebuild for new GHC ABIs