diff --git a/pkgs/development/libraries/at-spi2-core/default.nix b/pkgs/development/libraries/at-spi2-core/default.nix
index 0fc28185501..7cf29aaca86 100644
--- a/pkgs/development/libraries/at-spi2-core/default.nix
+++ b/pkgs/development/libraries/at-spi2-core/default.nix
@@ -2,14 +2,14 @@
 , libX11, xextproto, libSM, libICE, libXtst, libXi, gobjectIntrospection }:
 
 stdenv.mkDerivation rec {
-  versionMajor = "2.16";
+  versionMajor = "2.18";
   versionMinor = "0";
   moduleName   = "at-spi2-core";
   name = "${moduleName}-${versionMajor}.${versionMinor}";
 
   src = fetchurl {
     url = "mirror://gnome/sources/${moduleName}/${versionMajor}/${name}.tar.xz";
-    sha256 = "1l3l39mw23zyjlcqidvkyqlr4gwbhplzw2hcv3qvn6p8ikxpf2qw";
+    sha256 = "1aeec77db6eb8087049af39a07f55756c55319f739d2998030fe6f4ced03ca76";
   };
 
   outputs = [ "out" "doc" ];