diff --git a/Gemfile.lock b/Gemfile.lock
index ee4a039..4f81043 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -46,7 +46,8 @@ GEM
       multi_json (~> 1.0)
     acts-as-taggable-on (2.2.2)
       rails (~> 3.0)
-    addressable (2.2.7)
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
     airbrake (3.0.9)
       activesupport
       builder
@@ -103,6 +104,8 @@ GEM
       devise (= 1.5.3)
       rubycas-client (>= 2.2.1)
     diff-lcs (1.1.3)
+    domain_name (0.5.20190701)
+      unf (>= 0.0.5, < 1.0.0)
     erubis (2.7.0)
     eventmachine (0.12.10)
     execjs (1.3.0)
@@ -118,13 +121,12 @@ GEM
     gherkin (2.9.0)
       json (>= 1.4.6)
     has_scope (0.5.1)
-    heroku (2.21.1)
-      launchy (>= 0.3.2)
-      rest-client (~> 1.6.1)
-      rubyzip
-      term-ansicolor (~> 1.0.5)
+    heroku (3.99.4)
     highline (1.6.11)
     hike (1.2.1)
+    http-accept (1.7.0)
+    http-cookie (1.0.3)
+      domain_name (~> 0.5)
     httparty (0.8.1)
       multi_json
       multi_xml
@@ -140,8 +142,8 @@ GEM
       actionpack (>= 3.0.0)
       activesupport (>= 3.0.0)
       railties (>= 3.0.0)
-    launchy (2.0.5)
-      addressable (~> 2.2.6)
+    launchy (2.5.0)
+      addressable (~> 2.7)
     mail (2.3.0)
       i18n (>= 0.4.0)
       mime-types (~> 1.16)
@@ -151,11 +153,12 @@ GEM
       activerecord (~> 3.1)
       activesupport (~> 3.1)
       polyamorous (~> 0.5.0)
-    mime-types (1.17.2)
+    mime-types (1.25.1)
     multi_json (1.1.0)
     multi_xml (0.4.1)
     nestful (0.0.8)
       activesupport (>= 3.0.0.beta)
+    netrc (0.11.0)
     nokogiri (1.5.0)
     orm_adapter (0.0.6)
     paperclip (2.7.0)
@@ -167,6 +170,7 @@ GEM
     polyamorous (0.5.0)
       activerecord (~> 3.0)
     polyglot (0.3.3)
+    public_suffix (4.0.3)
     rack (1.3.6)
     rack-cache (1.1)
       rack (>= 0.4)
@@ -191,7 +195,7 @@ GEM
       rake (>= 0.8.7)
       rdoc (~> 3.4)
       thor (~> 0.14.6)
-    rake (0.9.2.2)
+    rake (13.0.1)
     rdoc (3.12)
       json (~> 1.4)
     remarkable (4.0.0.alpha4)
@@ -204,8 +208,11 @@ GEM
       remarkable_activemodel (~> 4.0.0.alpha4)
       rspec (>= 2.0.0.alpha11)
     responders (0.6.5)
-    rest-client (1.6.7)
-      mime-types (>= 1.16)
+    rest-client (2.1.0)
+      http-accept (>= 1.7.0, < 2.0)
+      http-cookie (>= 1.0.2, < 2.0)
+      mime-types (>= 1.16, < 4.0)
+      netrc (~> 0.8)
     rspec (2.8.0)
       rspec-core (~> 2.8.0)
       rspec-expectations (~> 2.8.0)
@@ -221,7 +228,7 @@ GEM
       rspec (~> 2.8.0)
     rubycas-client (2.3.8)
       activesupport
-    rubyzip (0.9.6.1)
+    rubyzip (2.2.0)
     sass (3.1.15)
     sass-rails (3.1.5)
       actionpack (~> 3.1.0)
@@ -239,6 +246,7 @@ GEM
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
     sqlite3 (1.3.5)
+    sync (0.5.0)
     tane (0.0.2)
       awesome_print
       erubis
@@ -247,13 +255,16 @@ GEM
       rails (~> 3.1.0)
       rake
       rest-client
-    term-ansicolor (1.0.7)
+    term-ansicolor (1.7.1)
+      tins (~> 1.0)
     thin (1.3.1)
       daemons (>= 1.0.9)
       eventmachine (>= 0.12.6)
       rack (>= 1.0.0)
     thor (0.14.6)
     tilt (1.3.3)
+    tins (1.24.1)
+      sync
     treetop (1.4.10)
       polyglot
       polyglot (>= 0.3.1)
@@ -263,6 +274,9 @@ GEM
     uglifier (1.2.3)
       execjs (>= 0.3.0)
       multi_json (>= 1.0.2)
+    unf (0.1.4)
+      unf_ext
+    unf_ext (0.0.7.6)
     uuidtools (2.1.2)
     warden (1.1.1)
       rack (>= 1.0)