diff --git a/pkgs/development/libraries/libgtop/default.nix b/pkgs/development/libraries/libgtop/default.nix
index de72072e48b..49cd1d163a6 100644
--- a/pkgs/development/libraries/libgtop/default.nix
+++ b/pkgs/development/libraries/libgtop/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl, glib, pkgconfig, perl, intltool, gobjectIntrospection, libintlOrEmpty }:
 stdenv.mkDerivation rec {
   name = "libgtop-${version}";
-  major = "2.34";
-  version = "${major}.1";
+  major = "2.38";
+  version = "${major}.0";
 
   src = fetchurl {
     url = "mirror://gnome/sources/libgtop/${major}/${name}.tar.xz";
-    sha256 = "c89978a76662b18d392edbe0d1b794f5a9a399a5ccf22a02d5b9e28b5ed609e2";
+    sha256 = "04mnxgzyb26wqk6qij4iw8cxwl82r8pcsna5dg8vz2j3pdi0wv2g";
   };
 
   propagatedBuildInputs = [ glib ];