diff --git a/Gemfile.lock b/Gemfile.lock
index 3cee24e..88df7fc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,7 +100,7 @@ GEM
     i18n (1.6.0)
       concurrent-ruby (~> 1.0)
     irb (1.0.0)
-    json (2.2.0)
+    json (2.3.1)
     mastodon-api (2.0.0)
       addressable (~> 2.6)
       buftok (~> 0)