diff --git a/pkgs/by-name/pr/protoc-gen-elixir/package.nix b/pkgs/by-name/pr/protoc-gen-elixir/package.nix
index 79aef256c7d0..b51076f75f0f 100644
--- a/pkgs/by-name/pr/protoc-gen-elixir/package.nix
+++ b/pkgs/by-name/pr/protoc-gen-elixir/package.nix
@@ -2,25 +2,31 @@
   beamPackages,
   fetchFromGitHub,
   lib,
+  nix-update-script,
 }:
-beamPackages.mixRelease rec {
+let
+  inherit (beamPackages) mixRelease fetchMixDeps erlang;
+in
+mixRelease rec {
   pname = "protoc-gen-elixir";
-  version = "0.13.0";
+  version = "0.14.1";
 
   src = fetchFromGitHub {
     owner = "elixir-protobuf";
     repo = "protobuf";
     tag = "v${version}";
-    hash = "sha256-TnuIlXYr36hx1sVktPHj4J4cJLCFK5F1xaX0V9/+ICQ=";
+    hash = "sha256-SbwjOFTyN3euMNXkuIP49zNqoXmD8611IXgqPwqfuFU=";
   };
 
-  mixFodDeps = beamPackages.fetchMixDeps {
+  mixFodDeps = fetchMixDeps {
     inherit version src;
     pname = "protoc-gen-elixir-deps";
 
-    hash = "sha256-lFfAfKAM4O+yIBXgdCA+EPe1XAOaTIjTfpOFjITpvQ4=";
+    hash = "sha256-T1uL3xXXmCkobJJhS3p6xMrJUyiim3AMwaG87/Ix7A8=";
   };
 
+  buildInputs = [ erlang ];
+
   postBuild = ''
     mix do escript.build
   '';
@@ -34,6 +40,8 @@ beamPackages.mixRelease rec {
     runHook postInstall
   '';
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     description = "A protoc plugin to generate Elixir code";
     mainProgram = "protoc-gen-elixir";