diff --git a/Gemfile.lock b/Gemfile.lock
index b4b6f9d..48cebe5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -59,9 +59,7 @@ GEM
       rack
       thread_safe
     arel (3.0.3)
-    ast (2.0.0)
-    astrolabe (1.3.0)
-      parser (>= 2.2.0.pre.3, < 3.0)
+    ast (2.4.2)
     authlogic (3.5.0)
       activerecord (>= 3.2, < 5.1)
       activesupport (>= 3.2, < 5.1)
@@ -231,8 +229,9 @@ GEM
       activesupport (>= 3.0.0)
       cocaine (~> 0.5.3)
       mime-types
-    parser (2.2.2.2)
-      ast (>= 1.1, < 3.0)
+    parallel (1.23.0)
+    parser (2.7.2.0)
+      ast (~> 2.4.1)
     pdf-reader (1.3.3)
       Ascii85 (~> 1.0.0)
       afm (~> 0.2.0)
@@ -242,7 +241,7 @@ GEM
     pg (0.15.1)
     polyglot (0.3.5)
     power_assert (0.2.4)
-    powerpack (0.1.1)
+    powerpack (0.1.3)
     prawn (0.12.0)
       pdf-reader (>= 0.9.0)
       ttfunk (~> 1.0.2)
@@ -274,7 +273,8 @@ GEM
       rake (>= 0.8.7)
       rdoc (~> 3.4)
       thor (>= 0.14.6, < 2.0)
-    rainbow (2.0.0)
+    rainbow (2.2.2)
+      rake
     rake (10.0.3)
     rdoc (3.12.2)
       json (~> 1.4)
@@ -288,14 +288,15 @@ GEM
       redis (~> 3)
     request_store (1.3.2)
     rspec-logsplit (0.1.3)
-    rubocop (0.31.0)
-      astrolabe (~> 1.3)
-      parser (>= 2.2.2.1, < 3.0)
+    rubocop (0.49.0)
+      parallel (~> 1.10)
+      parser (>= 2.3.3.1, < 3.0)
       powerpack (~> 0.1)
       rainbow (>= 1.99.1, < 3.0)
-      ruby-progressbar (~> 1.4)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (~> 1.0, >= 1.0.1)
     ruby-prof (0.15.8)
-    ruby-progressbar (1.7.5)
+    ruby-progressbar (1.13.0)
     ruby-rc4 (0.1.5)
     rubyzip (1.2.1)
     sanitize (4.6.0)
@@ -360,6 +361,7 @@ GEM
     uglifier (2.7.0)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
+    unicode-display_width (1.8.0)
 
 PLATFORMS
   ruby