diff --git a/pkgs/servers/sql/pgbouncer/default.nix b/pkgs/servers/sql/pgbouncer/default.nix
index aaae684409fd..7d3d3e949ed3 100644
--- a/pkgs/servers/sql/pgbouncer/default.nix
+++ b/pkgs/servers/sql/pgbouncer/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "pgbouncer";
-  version = "1.19.0";
+  version = "1.19.1";
 
   src = fetchurl {
     url = "https://www.pgbouncer.org/downloads/files/${version}/${pname}-${version}.tar.gz";
-    sha256 = "sha256-rwsF6X0OH9mtRf4A6m0qk0xjB19n9+LM7yylnj2M5oI=";
+    hash = "sha256-WMPv+btywYEzso4fA0/Vk1bqdigcZeEnQyyhAcIIo5Q=";
   };
 
   nativeBuildInputs = [ pkg-config ];
@@ -16,6 +16,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     homepage = "https://www.pgbouncer.org/";
     description = "Lightweight connection pooler for PostgreSQL";
+    changelog = "https://github.com/pgbouncer/pgbouncer/releases/tag/pgbouncer_${replaceStrings ["."] ["_"] version}";
     license = licenses.isc;
     maintainers = with maintainers; [ _1000101 ];
     platforms = platforms.all;