diff --git a/pkgs/development/libraries/aterm/default.nix b/pkgs/development/libraries/aterm/default.nix
index e85c4077b8f..5b863bf1d03 100644
--- a/pkgs/development/libraries/aterm/default.nix
+++ b/pkgs/development/libraries/aterm/default.nix
@@ -1,10 +1,11 @@
 {stdenv, fetchurl}:
 
 stdenv.mkDerivation {
-  name = "aterm-2.2";
+  name = "aterm-2.3.1";
   configureFlags = "--with-gcc";
+
   src = fetchurl {
-    url = http://www.cwi.nl/projects/MetaEnv/aterm/aterm-2.2.tar.gz;
-    md5 = "e1098f4cb84dbfce095cb4c14303ec16";
+    url = http://www.cwi.nl/projects/MetaEnv/aterm/aterm-2.3.1.tar.gz;
+    md5 = "5a2d70acc45a9d301e0dba12fcaf77e7";
   };
 }