diff --git a/ios/Gemfile.lock b/ios/Gemfile.lock
index deacad3..88e9e07 100644
--- a/ios/Gemfile.lock
+++ b/ios/Gemfile.lock
@@ -115,7 +115,7 @@ GEM
       domain_name (~> 0.5)
     httpclient (2.8.3)
     jmespath (1.4.0)
-    json (2.1.0)
+    json (2.3.1)
     jwt (2.1.0)
     memoist (0.16.2)
     mini_magick (4.10.1)