diff --git a/pkgs/top-level/rust-packages.nix b/pkgs/top-level/rust-packages.nix
index a829445d7b5..e22b5d3efe6 100644
--- a/pkgs/top-level/rust-packages.nix
+++ b/pkgs/top-level/rust-packages.nix
@@ -7,15 +7,15 @@
 { runCommand, fetchFromGitHub, git }:
 
 let
-  version = "2016-04-02";
-  rev = "b705d049d78f96bc27c58ccec7902e65d90826bd";
+  version = "2016-04-18";
+  rev = "2cd09d5c51264ae0e2deede74fb2620dae757c16";
 
   src = fetchFromGitHub {
       inherit rev;
 
       owner = "rust-lang";
       repo = "crates.io-index";
-      sha256 = "1aspn79i1rw9migw7j0m12ghdq9cqhq8n2vzxy6hy1l728j3ykdp";
+      sha256 = "0br52x480g9wqm9fl6kcin0m4a4bd20j65c454hhdw7b9ngaydav";
   };
 
 in