From 9625e8f93b5c3c317e2ed89bc8393f7547fa674d Mon Sep 17 00:00:00 2001
From: Kenta Murata <mrkn@mrkn.jp>
Date: Sat, 29 May 2021 00:46:27 +0900
Subject: [PATCH] Add matrix in runtime dependencies

matrix no longer be a standard library.
---
 daru.gemspec | 1 +
 1 file changed, 1 insertion(+)

diff --git a/daru.gemspec b/daru.gemspec
index 28cf546db..b4bddf230 100644
--- a/daru.gemspec
+++ b/daru.gemspec
@@ -29,6 +29,7 @@ Gem::Specification.new do |spec|
 
   # it is required by NMatrix, yet we want to specify clearly which minimal version is OK
   spec.add_runtime_dependency 'packable', '~> 1.3.13'
+  spec.add_runtime_dependency 'matrix'
 
   spec.add_development_dependency 'spreadsheet', '~> 1.1.1'
   spec.add_development_dependency 'bundler', '>= 1.10'