diff --git a/pkgs/development/interpreters/elixir/default.nix b/pkgs/development/interpreters/elixir/default.nix
index 0e4b5a6d9b6..8f0b4a238b3 100644
--- a/pkgs/development/interpreters/elixir/default.nix
+++ b/pkgs/development/interpreters/elixir/default.nix
@@ -1,14 +1,14 @@
 { stdenv, fetchurl, erlang, rebar, makeWrapper, coreutils }:
 
 let
-  version = "0.15.1";
+  version = "1.0.0";
 in
 stdenv.mkDerivation {
   name = "elixir-${version}";
 
   src = fetchurl {
     url = "https://github.com/elixir-lang/elixir/archive/v${version}.tar.gz";
-    sha256 = "8e608abf90a6e9a25ef5fb7e45dfd04e2cb7e1fecb4ac260bf6652885a7f0c50";
+    sha256 = "1ci8g6nh89xnn0ax9kazcs47w406nqsj1d4rf8sb1b6abfq78xsj";
   };
 
   buildInputs = [ erlang rebar makeWrapper ];