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-rw-r--r--pkgs/development/beam-modules/default.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/beam-modules/default.nix b/pkgs/development/beam-modules/default.nix
index 63d046c7b47e1..eb9353a4a6379 100644
--- a/pkgs/development/beam-modules/default.nix
+++ b/pkgs/development/beam-modules/default.nix
@@ -41,7 +41,7 @@ let
         buildMix = callPackage ./build-mix.nix {};
 
         # BEAM-based languages.
-        elixir = elixir_1_7;
+        elixir = elixir_1_9;
 
         elixir_1_9 = lib.callElixir ../interpreters/elixir/1.9.nix {
           inherit rebar erlang;