diff --git a/pkgs/servers/monitoring/prometheus/postgres-exporter.nix b/pkgs/servers/monitoring/prometheus/postgres-exporter.nix
index 81ccaee65938..9b3cda6e7ae8 100644
--- a/pkgs/servers/monitoring/prometheus/postgres-exporter.nix
+++ b/pkgs/servers/monitoring/prometheus/postgres-exporter.nix
@@ -1,18 +1,18 @@
-{ lib, buildGoPackage, fetchFromGitHub, nixosTests }:
+{ lib, buildGoModule, fetchFromGitHub, nixosTests }:
 
-buildGoPackage rec {
+buildGoModule rec {
   pname = "postgres_exporter";
-  version = "0.8.0";
-
-  goPackagePath = "github.com/wrouesnel/postgres_exporter";
+  version = "0.9.0";
 
   src = fetchFromGitHub {
     owner = "wrouesnel";
     repo = "postgres_exporter";
     rev = "v${version}";
-    sha256 = "0mid2kvskab3a32jscygg5jh0741nr7dvxzj4v029yiiqcx55nrc";
+    sha256 = "sha256-Kv+sjqhlmH36L4YvDuGYODR/eTHA2TKQ6IUCXAiItyo=";
   };
 
+  vendorSha256 = "sha256-yMcoUl9NsiiZQyEHlLu79DzIyl6BbhLZ/xNFavaGrEs=";
+
   doCheck = true;
 
   passthru.tests = { inherit (nixosTests.prometheus-exporters) postgres; };
@@ -21,6 +21,6 @@ buildGoPackage rec {
     inherit (src.meta) homepage;
     description = "A Prometheus exporter for PostgreSQL";
     license = licenses.asl20;
-    maintainers = with maintainers; [ fpletz globin willibutz ];
+    maintainers = with maintainers; [ fpletz globin willibutz ma27 ];
   };
 }