diff --git a/pkgs/tools/security/aefs/default.nix b/pkgs/tools/security/aefs/default.nix
index 8cc3176c34f2..972d997e2429 100644
--- a/pkgs/tools/security/aefs/default.nix
+++ b/pkgs/tools/security/aefs/default.nix
@@ -1,11 +1,11 @@
 {stdenv, fetchurl, fuse}:
   
 stdenv.mkDerivation {
-  name = "aefs-0.3pre279";
+  name = "aefs-0.3pre285";
   
   src = fetchurl {
-    url = http://losser.st-lab.cs.uu.nl/~eelco/dist/aefs-0.3pre279.tar.bz2;
-    sha256 = "1gsa55cmhgj124m2laxcxcrgh45rsmp9jwz9wc9q515np9s7h11c";
+    url = http://losser.st-lab.cs.uu.nl/~eelco/dist/aefs-0.3pre285.tar.bz2;
+    sha256 = "1psciqllzm08c21h6k2zxmvmi0grkvaiq177giv1avzzzfhq0z3c";
   };
 
   buildInputs = [fuse];