diff --git a/Gemfile.lock b/Gemfile.lock
index 3dfea397..7f48905b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -359,7 +359,6 @@ GEM
       actionpack
       activesupport
       rails (>= 3.0.0)
-    powerpack (0.1.2)
     prawn (2.2.2)
       pdf-core (~> 0.7.0)
       ttfunk (~> 1.5)
@@ -484,16 +483,15 @@ GEM
       rspec-mocks (~> 3.6.0)
       rspec-support (~> 3.6.0)
     rspec-support (3.6.0)
-    rubocop (0.65.0)
+    rubocop (0.66.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.5, != 2.5.1.1)
-      powerpack (~> 0.1)
       psych (>= 3.1.0)
       rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (~> 1.4.0)
-    rubocop-rspec (1.30.1)
+      unicode-display_width (>= 1.4.0, < 1.6)
+    rubocop-rspec (1.32.0)
       rubocop (>= 0.60.0)
     ruby-oembed (0.12.0)
     ruby-openid (2.5.0)
@@ -577,7 +575,7 @@ GEM
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.5)
-    unicode-display_width (1.4.1)
+    unicode-display_width (1.5.0)
     unicode_utils (1.4.0)
     unobtrusive_flash (3.3.1)
       railties