diff --git a/pkgs/development/beam-modules/default.nix b/pkgs/development/beam-modules/default.nix
index 7fbec79cbd4..a5de4dfb3bb 100644
--- a/pkgs/development/beam-modules/default.nix
+++ b/pkgs/development/beam-modules/default.nix
@@ -36,7 +36,12 @@ let
         buildMix = callPackage ./build-mix.nix {};
 
         # BEAM-based languages.
-        elixir = elixir_1_10;
+        elixir = elixir_1_11;
+
+        elixir_1_11 = lib.callElixir ../interpreters/elixir/1.11.nix {
+          inherit erlang;
+          debugInfo = true;
+        };
 
         elixir_1_10 = lib.callElixir ../interpreters/elixir/1.10.nix {
           inherit erlang;
diff --git a/pkgs/development/interpreters/elixir/1.11.nix b/pkgs/development/interpreters/elixir/1.11.nix
new file mode 100644
index 00000000000..3dcd8c19ba8
--- /dev/null
+++ b/pkgs/development/interpreters/elixir/1.11.nix
@@ -0,0 +1,9 @@
+{ mkDerivation }:
+
+# How to obtain `sha256`:
+# nix-prefetch-url --unpack https://github.com/elixir-lang/elixir/archive/v${version}.tar.gz
+mkDerivation {
+  version = "1.11.1";
+  sha256 = "0czyv98sq9drlvdwv3gw9vnhn8qa3va4xh5vdqpg7m6b93l1r3p1";
+  minimumOTPVersion = "21";
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 9210f9ca383..cb9617f6501 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10019,7 +10019,7 @@ in
   inherit (beam.interpreters)
     erlang erlangR23 erlangR22 erlangR21 erlangR20 erlangR19 erlangR18
     erlang_odbc erlang_javac erlang_odbc_javac erlang_nox erlang_basho_R16B02
-    elixir elixir_1_10 elixir_1_9 elixir_1_8 elixir_1_7;
+    elixir elixir_1_11 elixir_1_10 elixir_1_9 elixir_1_8 elixir_1_7;
 
   inherit (beam.packages.erlang)
     rebar rebar3
diff --git a/pkgs/top-level/beam-packages.nix b/pkgs/top-level/beam-packages.nix
index 139749e7d39..14399d7ac95 100644
--- a/pkgs/top-level/beam-packages.nix
+++ b/pkgs/top-level/beam-packages.nix
@@ -96,8 +96,8 @@ 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.erlangR22.elixir`.
-    inherit (packages.erlang) elixir elixir_1_10 elixir_1_9 elixir_1_8 elixir_1_7;
+    # `beam.packages.erlangR23.elixir`.
+    inherit (packages.erlang) elixir elixir_1_11 elixir_1_10 elixir_1_9 elixir_1_8 elixir_1_7;
 
     inherit (packages.erlang) lfe lfe_1_2 lfe_1_3;
   };