diff --git a/Gemfile.lock b/Gemfile.lock
index 457a2f8..ee1831c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -151,7 +151,6 @@ GEM
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    json (2.6.1)
     listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
@@ -218,8 +217,7 @@ GEM
     rb-fsevent (0.11.1)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    recaptcha (5.10.0)
-      json
+    recaptcha (5.16.0)
     responders (3.0.1)
       actionpack (>= 5.0)
       railties (>= 5.0)