diff --git a/pkgs/desktops/gnome-3/3.20/core/libpeas/src.nix b/pkgs/desktops/gnome-3/3.20/core/libpeas/src.nix
index 8a24097bbd6..cd440858946 100644
--- a/pkgs/desktops/gnome-3/3.20/core/libpeas/src.nix
+++ b/pkgs/desktops/gnome-3/3.20/core/libpeas/src.nix
@@ -1,10 +1,13 @@
 # Autogenerated by maintainers/scripts/gnome.sh update
 
-fetchurl: {
-  name = "libpeas-1.16.0";
+fetchurl: rec {
+  major = "1.18";
+  minor = "0";
+  version = "${major}.${minor}";
+  name = "libpeas-${version}";
 
   src = fetchurl {
-    url = mirror://gnome/sources/libpeas/1.16/libpeas-1.16.0.tar.xz;
-    sha256 = "b093008ecd65f7d55c80517589509698ff15ad41f664b11a3eb88ff461b1454e";
+    url = "mirror://gnome/sources/libpeas/${major}/${name}.tar.xz";
+    sha256 = "09jy2rwwgp0xx7cnypxl56m7zzxnj3j4v58xqjxjasf3chn88jdz";
   };
 }