diff --git a/Gemfile.lock b/Gemfile.lock
index 51ab3d8e..9db97c34 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -484,8 +484,7 @@ GEM
     rdoc (6.14.2)
       erb
       psych (>= 4.0.0)
-    recaptcha (5.8.1)
-      json
+    recaptcha (5.20.1)
     redcarpet (3.6.1)
     regexp_parser (2.11.1)
     reline (0.6.2)