diff --git a/pkgs/development/libraries/xapian/default.nix b/pkgs/development/libraries/xapian/default.nix
index 6d617564b04e..700fa1d13dd1 100644
--- a/pkgs/development/libraries/xapian/default.nix
+++ b/pkgs/development/libraries/xapian/default.nix
@@ -1,5 +1,13 @@
-{ lib, stdenv, fetchurl, autoreconfHook
-, libuuid, zlib }:
+{ lib
+, stdenv
+, fetchurl
+, autoreconfHook
+, libuuid
+, zlib
+
+# tests
+, mu
+}:
 
 let
   generic = version: hash: stdenv.mkDerivation {
@@ -29,9 +37,14 @@ let
         --replace "#define HAVE___EXP10 1" "#undef HAVE___EXP10"
     '';
 
+    passthru.tests = {
+      inherit mu;
+    };
+
     meta = with lib; {
       description = "Search engine library";
       homepage = "https://xapian.org/";
+      changelog = "https://xapian.org/docs/xapian-core-${version}/NEWS";
       license = licenses.gpl2Plus;
       maintainers = with maintainers; [ ];
       platforms = platforms.unix;
@@ -41,5 +54,5 @@ in {
   # Don't forget to change the hashes in xapian-omega and
   # python3Packages.xapian. They inherit the version from this package, and
   # should always be built with the equivalent xapian version.
-  xapian_1_4 = generic "1.4.20" "sha256-zivl7/cgdcgQbANA5wsQk9vOviq0LcHBvgjdOtQZRC0=";
+  xapian_1_4 = generic "1.4.21" "sha256-gPhgNNL7VZAHlUgd+uaBv6oQ776BirrTYizcDFXgb4g=";
 }
diff --git a/pkgs/development/libraries/xapian/tools/omega/default.nix b/pkgs/development/libraries/xapian/tools/omega/default.nix
index eb03defbf2a6..65d4c520fbae 100644
--- a/pkgs/development/libraries/xapian/tools/omega/default.nix
+++ b/pkgs/development/libraries/xapian/tools/omega/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "https://oligarchy.co.uk/xapian/${version}/xapian-omega-${version}.tar.xz";
-    hash = "sha256-Cf19bGCzlP0A2EcAZJlpofzDqiuIuyxsoiD9+o0liB8=";
+    hash = "sha256-iKETxVmPyVgz4SEscL5GOrudVgFWTSG4YWNvc3lVqtU=";
   };
 
   buildInputs = [ xapian perl pcre2 zlib libmagic ];
@@ -15,6 +15,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     description = "Indexer and CGI search front-end built on Xapian library";
     homepage = "https://xapian.org/";
+    changelog = "https://xapian.org/docs/xapian-omega-${version}/NEWS";
     license = licenses.gpl2Plus;
     platforms = platforms.unix;
   };
diff --git a/pkgs/development/python-modules/xapian/default.nix b/pkgs/development/python-modules/xapian/default.nix
index 752204760d4e..75f931790347 100644
--- a/pkgs/development/python-modules/xapian/default.nix
+++ b/pkgs/development/python-modules/xapian/default.nix
@@ -13,7 +13,7 @@ buildPythonPackage rec {
 
   src = fetchurl {
     url = "https://oligarchy.co.uk/xapian/${version}/xapian-bindings-${version}.tar.xz";
-    hash = "sha256-eGzCjQVmCyJ5VEE68OL2bk6tKgbT322rrqSERUtgHvU=";
+    hash = "sha256-578eSYK5H4QSidGSFAIdiDccoqbHME31kEnX2ni4PO0=";
   };
 
   configureFlags = [
@@ -36,6 +36,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Python Bindings for Xapian";
     homepage = "https://xapian.org/";
+    changelog = "https://xapian.org/docs/xapian-bindings-${version}/NEWS";
     license = licenses.gpl2Plus;
     maintainers = with maintainers; [ jonringer ];
   };