diff --git a/pkgs/servers/sql/postgresql/ext/pg_cron.nix b/pkgs/servers/sql/postgresql/ext/pg_cron.nix
index c1aefa1770f..74cb0674f32 100644
--- a/pkgs/servers/sql/postgresql/ext/pg_cron.nix
+++ b/pkgs/servers/sql/postgresql/ext/pg_cron.nix
@@ -2,15 +2,15 @@
 
 stdenv.mkDerivation rec {
   pname = "pg_cron";
-  version = "1.3.0";
+  version = "1.3.1";
 
   buildInputs = [ postgresql ];
 
   src = fetchFromGitHub {
     owner  = "citusdata";
     repo   = pname;
-    rev    = "refs/tags/v${version}";
-    sha256 = "1hvd0nfaq5q9yfxfcb0fbrjbdal06adjplvmaag88a0msdlirl7z";
+    rev    = "v${version}";
+    sha256 = "0vhqm9xi84v21ijlbi3fznj799j81mmc9kaawhwn0djhxcs2symd";
   };
 
   installPhase = ''
@@ -24,6 +24,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     description = "Run Cron jobs through PostgreSQL";
     homepage    = "https://github.com/citusdata/pg_cron";
+    changelog   = "https://github.com/citusdata/pg_cron/raw/v${version}/CHANGELOG.md";
     maintainers = with maintainers; [ thoughtpolice ];
     platforms   = postgresql.meta.platforms;
     license     = licenses.postgresql;