diff --git a/Gemfile.lock b/Gemfile.lock
index 57ffd56f5..d1367fe60 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -299,7 +299,7 @@ GEM
       terminal-table (>= 1.5.1)
     idn-ruby (0.1.0)
     ipaddress (0.8.3)
-    iso-639 (0.2.8)
+    iso-639 (0.3.5)
     jaro_winkler (1.5.4)
     jmespath (1.4.0)
     json (2.3.0)