diff --git a/Gemfile.lock b/Gemfile.lock
index 1a81a650..2e3254bc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -145,7 +145,6 @@ GEM
       faraday-multipart (~> 1.0, >= 1.0.4)
       ostruct
     cocoon (1.2.15)
-    colorize (1.1.0)
     concurrent-ruby (1.3.4)
     countable-rails (0.0.1)
       railties (>= 3.1)
@@ -323,8 +322,8 @@ GEM
       timeout
     net-smtp (0.5.0)
       net-protocol
-    next_rails (1.3.0)
-      colorize (>= 0.8.1)
+    next_rails (1.4.2)
+      rainbow (>= 3)
     nio4r (2.7.4)
     nokogiri (1.16.8)
       mini_portile2 (~> 2.8.2)