diff --git a/Gemfile.lock b/Gemfile.lock
index 9551924b..43d0aadf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -148,7 +148,6 @@ GEM
       aws_cf_signer
       rest-client (>= 2.0.0)
     cocoon (1.2.15)
-    colorize (0.8.1)
     concurrent-ruby (1.3.5)
     connection_pool (2.5.3)
     countable-rails (0.0.1)
@@ -341,8 +340,8 @@ GEM
     net-smtp (0.5.1)
       net-protocol
     netrc (0.11.0)
-    next_rails (1.0.4)
-      colorize (>= 0.8.1)
+    next_rails (1.4.6)
+      rainbow (>= 3)
     nio4r (2.7.4)
     nokogiri (1.18.9)
       mini_portile2 (~> 2.8.2)