1 files changed, 2 insertions, 0 deletions
diff --git a/Gemfile.lock b/Gemfile.lock
index ef99e0d7b..ddb97dd94 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -225,6 +225,7 @@ GEM
       terminal-table (>= 1.5.1)
     idn-ruby (0.1.0)
     ipaddress (0.8.3)
+    iso-639 (0.2.8)
     jmespath (1.3.1)
     json (2.1.0)
     json-ld (2.1.5)
@@ -560,6 +561,7 @@ DEPENDENCIES
   httplog (~> 0.99)
   i18n-tasks (~> 0.9)
   idn-ruby
+  iso-639
   json-ld-preloaded (~> 2.2.1)
   kaminari (~> 1.0)
   letter_opener (~> 1.4)