diff --git a/Gemfile b/Gemfile
index af3fd4c06cea9052d9a549e293f69a253f07c9de..798f0e79253667e6821f97115fbf9e79489160bb 100644
--- a/Gemfile
+++ b/Gemfile
@@ -48,6 +48,7 @@ gem "jquery-ui-rails", git: "https://github.com/jquery-ui-rails/jquery-ui-rails.
 gem "kamifusen"#, path: "../kamifusen"
 gem "kaminari"
 gem "leaflet-rails"
+gem "libretranslate"#, path: "../libretranslate"
 gem "mini_magick"
 gem "octokit"
 gem "omniauth-rails_csrf_protection", "~> 1.0"
diff --git a/Gemfile.lock b/Gemfile.lock
index 7cdbcd67e65274f94b1aea585201fa1cc1c3a344..956d3904870b3ebdbaa2a5af9f902b4b58fbce05 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -337,6 +337,10 @@ GEM
     leaflet-rails (1.9.4)
       actionpack (>= 4.2.0)
       railties (>= 4.2.0)
+    libretranslate (0.1.0)
+      json
+      net-http
+      open-uri
     listen (3.8.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
@@ -664,6 +668,7 @@ DEPENDENCIES
   kamifusen
   kaminari
   leaflet-rails
+  libretranslate
   listen (~> 3.3)
   mini_magick
   octokit