diff --git a/Gemfile.lock b/Gemfile.lock
index 64a3964df88..fe79161952a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -233,7 +233,7 @@ GEM
     openid-redis-store (0.0.2)
       redis
       ruby-openid
-    parallel (1.11.2)
+    parallel (1.12.0)
     parser (2.4.0.0)
       ast (~> 2.2)
     pg (0.20.0)
@@ -316,11 +316,11 @@ GEM
       rspec-support (~> 3.6.0)
     rspec-support (3.6.0)
     rtlit (0.0.5)
-    rubocop (0.49.1)
+    rubocop (0.51.0)
       parallel (~> 1.10)
       parser (>= 2.3.3.1, < 3.0)
       powerpack (~> 0.1)
-      rainbow (>= 1.99.1, < 3.0)
+      rainbow (>= 2.2.2, < 3.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (~> 1.0, >= 1.0.1)
     ruby-ll (2.1.2)
@@ -328,7 +328,7 @@ GEM
       ast
     ruby-openid (2.7.0)
     ruby-prof (0.16.2)
-    ruby-progressbar (1.8.1)
+    ruby-progressbar (1.9.0)
     ruby-readability (0.7.0)
       guess_html_encoding (>= 0.0.4)
       nokogiri (>= 1.6.0)