diff --git a/pkgs/development/tools/misc/gob2/default.nix b/pkgs/development/tools/misc/gob2/default.nix
index ca8d0c6f717..73c9021c5e9 100644
--- a/pkgs/development/tools/misc/gob2/default.nix
+++ b/pkgs/development/tools/misc/gob2/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl, pkgconfig, glib, bison, flex }:
 
 stdenv.mkDerivation rec {
-  name = "gob2-${minVer}.18";
+  name = "gob2-${minVer}.20";
   minVer = "2.0";
 
   src = fetchurl {
-    url = "mirror://gnome/sources/gob2/${minVer}/${name}.tar.gz";
-    sha256 = "1r242s3rsxyqiw2ic2gdpvvrx903jgjd1aa4mkl26in5k9zk76fa";
+    url = "mirror://gnome/sources/gob2/${minVer}/${name}.tar.xz";
+    sha256 = "5fe5d7990fd65b0d4b617ba894408ebaa6df453f2781c15a1cfdf2956c0c5428";
   };
 
   # configure script looks for d-bus but it is only needed for tests