diff --git a/pkgs/desktops/gnome-3/core/evolution-data-server/default.nix b/pkgs/desktops/gnome-3/core/evolution-data-server/default.nix
index fa70ecea264a..6c293cb55b9d 100644
--- a/pkgs/desktops/gnome-3/core/evolution-data-server/default.nix
+++ b/pkgs/desktops/gnome-3/core/evolution-data-server/default.nix
@@ -6,13 +6,13 @@
 
 stdenv.mkDerivation rec {
   pname = "evolution-data-server";
-  version = "3.34.1";
+  version = "3.34.2";
 
   outputs = [ "out" "dev" ];
 
   src = fetchurl {
     url = "mirror://gnome/sources/evolution-data-server/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
-    sha256 = "1gisymfjhkibqy73pmd0d3fwl43a23d0lvlxzqkycfdn9jh6pxbg";
+    sha256 = "16z85y6hhazcrp5ngw47w4x9r0j8zrj7awv5im58hhp0xs19zf1y";
   };
 
   patches = [