diff --git a/pkgs/desktops/gnome-3/3.20/core/evolution-data-server/src.nix b/pkgs/desktops/gnome-3/3.20/core/evolution-data-server/src.nix
index 82ea796c3b04..cdb3dacf7ab5 100644
--- a/pkgs/desktops/gnome-3/3.20/core/evolution-data-server/src.nix
+++ b/pkgs/desktops/gnome-3/3.20/core/evolution-data-server/src.nix
@@ -1,10 +1,11 @@
 # Autogenerated by maintainers/scripts/gnome.sh update
 
-fetchurl: {
-  name = "evolution-data-server-3.20.2";
+fetchurl: rec {
+  major = "3.20";
+  name = "evolution-data-server-${major}.4";
 
   src = fetchurl {
-    url = mirror://gnome/sources/evolution-data-server/3.20/evolution-data-server-3.20.2.tar.xz;
-    sha256 = "8cdc74b08f1404f5df4b8cf5ccc4999a3e70a1db9ce472f71b623266941ffad9";
+    url = "mirror://gnome/sources/evolution-data-server/${major}/${name}.tar.xz";
+    sha256 = "03h81dnk34b3xf2065rymr1jd7as4dmpd89hyf380c5np36f6l7j";
   };
 }