diff --git a/pkgs/development/tools/database/timescaledb-parallel-copy/default.nix b/pkgs/development/tools/database/timescaledb-parallel-copy/default.nix
index 42c2a55fd3eb..5449e646546d 100644
--- a/pkgs/development/tools/database/timescaledb-parallel-copy/default.nix
+++ b/pkgs/development/tools/database/timescaledb-parallel-copy/default.nix
@@ -2,16 +2,16 @@
 
 buildGoModule rec {
   pname = "timescaledb-parallel-copy";
-  version = "0.3.0";
+  version = "0.4.0";
 
   src = fetchFromGitHub {
     owner = "timescale";
     repo = pname;
     rev = "v${version}";
-    sha256 = "0r8c78l8vg7l24c3vzs2qr2prfjpagvdkp95fh9gyz76nvik29ba";
+    sha256 = "sha256-HxaGKJnLZjPPJXoccAx0XUsCrZiG09c40zeSbHYXm04=";
   };
 
-  vendorSha256 = "03siay3hv1sgmmp7w4f9b0xb8c6bnbx0v4wy5grjl5k04zhnj76b";
+  vendorSha256 = "sha256-muxtr80EjnRoHG/TCEQwrBwlnARsfqWoYlR0HavMe6U=";
 
   meta = with lib; {
     description = "Bulk, parallel insert of CSV records into PostgreSQL";