diff --git a/pkgs/development/beam-modules/default.nix b/pkgs/development/beam-modules/default.nix
index 1d4cef685148..6839bef3460a 100644
--- a/pkgs/development/beam-modules/default.nix
+++ b/pkgs/development/beam-modules/default.nix
@@ -44,6 +44,11 @@ let
         # BEAM-based languages.
         elixir = elixir_1_5;
 
+        elixir_1_6_rc = lib.callElixir ../interpreters/elixir/1.6.nix {
+                       inherit rebar erlang;
+                       debugInfo = true;
+                     };
+
         elixir_1_5 = lib.callElixir ../interpreters/elixir/1.5.nix {
                        inherit rebar erlang;
                        debugInfo = true;
diff --git a/pkgs/development/interpreters/elixir/1.6.nix b/pkgs/development/interpreters/elixir/1.6.nix
new file mode 100644
index 000000000000..c8b0d904ccd3
--- /dev/null
+++ b/pkgs/development/interpreters/elixir/1.6.nix
@@ -0,0 +1,7 @@
+{ mkDerivation }:
+
+mkDerivation rec {
+  version = "1.6.0-rc.0";
+  sha256 = "1yfyp7y0mfdbh410xsfkq9a7ai2y22mjh2qn2cvpim76s96qjpw6";
+  minimumOTPVersion = "18";
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 547e0704d398..dc415f624c85 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6578,7 +6578,7 @@ with pkgs;
   inherit (beam.interpreters)
     erlang erlangR18 erlangR19 erlangR20
     erlang_odbc erlang_javac erlang_odbc_javac erlang_nox erlang_basho_R16B02
-    elixir elixir_1_5 elixir_1_4 elixir_1_3
+    elixir elixir_1_6_rc elixir_1_5 elixir_1_4 elixir_1_3
     lfe lfe_1_2;
 
   inherit (beam.packages.erlang)
diff --git a/pkgs/top-level/beam-packages.nix b/pkgs/top-level/beam-packages.nix
index 7c07c34b2fe9..76807d9b9261 100644
--- a/pkgs/top-level/beam-packages.nix
+++ b/pkgs/top-level/beam-packages.nix
@@ -52,7 +52,7 @@ rec {
     # Other Beam languages. These are built with `beam.interpreters.erlang`. To
     # access for example elixir built with different version of Erlang, use
     # `beam.packages.erlangR19.elixir`.
-    inherit (packages.erlang) elixir elixir_1_5 elixir_1_4 elixir_1_3;
+    inherit (packages.erlang) elixir elixir_1_6_rc elixir_1_5 elixir_1_4 elixir_1_3;
 
     inherit (packages.erlang) lfe lfe_1_2;
   };