diff --git a/.travis.yml b/.travis.yml
index d83858fb..265027ac 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ services:
 
 language: ruby
 rvm:
-  - 2.5.1
+  - 2.6.1
 cache:
   bundler: true
   yarn: true
@@ -27,7 +27,7 @@ before_install:
   - docker pull openhpi/co_execenv_python
   - docker pull openhpi/co_execenv_java
   - mkdir ~/geckodriver
-  - wget -O ~/geckodriver/download.tar.gz https://github.com/mozilla/geckodriver/releases/download/v0.23.0/geckodriver-v0.23.0-linux64.tar.gz
+  - wget -O ~/geckodriver/download.tar.gz https://github.com/mozilla/geckodriver/releases/download/v0.24.0/geckodriver-v0.24.0-linux64.tar.gz
   - tar -xvzf ~/geckodriver/download.tar.gz -C ~/geckodriver/
   - rm ~/geckodriver/download.tar.gz
   - chmod +x ~/geckodriver/geckodriver
diff --git a/Gemfile b/Gemfile
index f87feddf..d6b33962 100644
--- a/Gemfile
+++ b/Gemfile
@@ -17,7 +17,7 @@ gem 'pg'
 gem 'pry-byebug'
 gem 'puma'
 gem 'pundit'
-gem 'rails', '5.2.1.1'
+gem 'rails', '5.2.2'
 gem 'rails-i18n'
 gem 'ransack'
 gem 'rubytree'
diff --git a/Gemfile.lock b/Gemfile.lock
index b46e399a..27d9cffe 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,49 +10,49 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    ZenTest (4.11.1)
-    actioncable (5.2.1.1)
-      actionpack (= 5.2.1.1)
+    ZenTest (4.11.2)
+    actioncable (5.2.2)
+      actionpack (= 5.2.2)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailer (5.2.1.1)
-      actionpack (= 5.2.1.1)
-      actionview (= 5.2.1.1)
-      activejob (= 5.2.1.1)
+    actionmailer (5.2.2)
+      actionpack (= 5.2.2)
+      actionview (= 5.2.2)
+      activejob (= 5.2.2)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.2.1.1)
-      actionview (= 5.2.1.1)
-      activesupport (= 5.2.1.1)
+    actionpack (5.2.2)
+      actionview (= 5.2.2)
+      activesupport (= 5.2.2)
       rack (~> 2.0)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.2.1.1)
-      activesupport (= 5.2.1.1)
+    actionview (5.2.2)
+      activesupport (= 5.2.2)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.2.1.1)
-      activesupport (= 5.2.1.1)
+    activejob (5.2.2)
+      activesupport (= 5.2.2)
       globalid (>= 0.3.6)
-    activemodel (5.2.1.1)
-      activesupport (= 5.2.1.1)
-    activerecord (5.2.1.1)
-      activemodel (= 5.2.1.1)
-      activesupport (= 5.2.1.1)
+    activemodel (5.2.2)
+      activesupport (= 5.2.2)
+    activerecord (5.2.2)
+      activemodel (= 5.2.2)
+      activesupport (= 5.2.2)
       arel (>= 9.0)
-    activestorage (5.2.1.1)
-      actionpack (= 5.2.1.1)
-      activerecord (= 5.2.1.1)
+    activestorage (5.2.2)
+      actionpack (= 5.2.2)
+      activerecord (= 5.2.2)
       marcel (~> 0.3.1)
-    activesupport (5.2.1.1)
+    activesupport (5.2.2)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.5.2)
+    addressable (2.6.0)
       public_suffix (>= 2.0.2, < 4.0)
     airbrussh (1.3.1)
       sshkit (>= 1.6.1, != 1.7.0)
@@ -69,12 +69,12 @@ GEM
     bindex (0.5.0)
     binding_of_caller (0.8.0)
       debug_inspector (>= 0.0.1)
-    bootsnap (1.3.2)
+    bootsnap (1.4.0)
       msgpack (~> 1.0)
     bootstrap-will_paginate (1.0.0)
       will_paginate
     builder (3.2.3)
-    bunny (2.12.0)
+    bunny (2.13.0)
       amq-protocol (~> 2.3, >= 2.3.0)
     byebug (10.0.2)
     capistrano (3.11.0)
@@ -82,9 +82,8 @@ GEM
       i18n
       rake (>= 10.0.0)
       sshkit (>= 1.9.0)
-    capistrano-bundler (1.4.0)
+    capistrano-bundler (1.5.0)
       capistrano (~> 3.1)
-      sshkit (~> 1.2)
     capistrano-rails (1.4.0)
       capistrano (~> 3.1)
       capistrano-bundler (~> 1.1)
@@ -97,7 +96,7 @@ GEM
       capistrano (~> 3.7)
       capistrano-bundler
       puma (~> 3.4)
-    capybara (3.10.1)
+    capybara (3.13.2)
       addressable
       mini_mime (>= 0.1.3)
       nokogiri (~> 1.8)
@@ -105,7 +104,7 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (~> 1.2)
       xpath (~> 3.2)
-    carrierwave (1.2.3)
+    carrierwave (1.3.1)
       activemodel (>= 4.0.0)
       activesupport (>= 4.0.0)
       mime-types (>= 1.16)
@@ -113,7 +112,7 @@ GEM
       ffi (~> 1.0, >= 1.0.11)
     chronic (0.10.2)
     coderay (1.1.2)
-    concurrent-ruby (1.1.3)
+    concurrent-ruby (1.1.4)
     crass (1.0.4)
     d3-rails (5.7.0)
       railties (>= 3.1)
@@ -126,34 +125,34 @@ GEM
       multi_json
     domain_name (0.5.20180417)
       unf (>= 0.0.5, < 1.0.0)
-    erubi (1.7.1)
+    erubi (1.8.0)
     eventmachine (1.0.9.1)
     excon (0.62.0)
     execjs (2.7.0)
-    factory_bot (4.11.1)
-      activesupport (>= 3.0.0)
-    factory_bot_rails (4.11.1)
-      factory_bot (~> 4.11.1)
-      railties (>= 3.0.0)
-    faraday (0.15.3)
+    factory_bot (5.0.0)
+      activesupport (>= 4.2.0)
+    factory_bot_rails (5.0.1)
+      factory_bot (~> 5.0.0)
+      railties (>= 4.2.0)
+    faraday (0.15.4)
       multipart-post (>= 1.2, < 3)
     faye-websocket (0.10.7)
       eventmachine (>= 0.12.0)
       websocket-driver (>= 0.5.1)
-    ffi (1.9.25)
+    ffi (1.10.0)
     forgery (0.7.0)
-    globalid (0.4.1)
+    globalid (0.4.2)
       activesupport (>= 4.2.0)
     headless (2.3.1)
-    highline (2.0.0)
+    highline (2.0.1)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
-    i18n (1.1.1)
+    i18n (1.5.3)
       concurrent-ruby (~> 1.0)
     ims-lti (1.2.2)
       builder
       oauth (>= 0.4.5, < 0.6)
-    jaro_winkler (1.5.1)
+    jaro_winkler (1.5.2)
     jbuilder (2.8.0)
       activesupport (>= 4.2.0)
       multi_json (>= 1.2)
@@ -163,7 +162,7 @@ GEM
       thor (>= 0.14, < 2.0)
     json (2.1.0)
     jwt (2.1.0)
-    kramdown (1.17.0)
+    kramdown (2.1.0)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -179,25 +178,25 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
-    mimemagic (0.3.2)
+    mimemagic (0.3.3)
     mini_mime (1.0.1)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.4.0)
     minitest (5.11.3)
     mnemosyne-ruby (1.5.1)
       activesupport (>= 4)
       bunny
-    msgpack (1.2.4)
+    msgpack (1.2.6)
     multi_json (1.13.1)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
     net-scp (1.2.1)
       net-ssh (>= 2.6.5)
-    net-ssh (5.0.2)
+    net-ssh (5.1.0)
     netrc (0.11.0)
-    newrelic_rpm (5.4.0.347)
+    newrelic_rpm (6.0.0.351)
     nio4r (2.3.1)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.1)
+      mini_portile2 (~> 2.4.0)
     nyan-cat-formatter (0.12.0)
       rspec (>= 2.99, >= 2.14.2, < 4)
     oauth (0.5.4)
@@ -209,12 +208,12 @@ GEM
       rack (>= 1.2, < 3)
     pagedown-bootstrap-rails (2.1.4)
       railties (> 3.1)
-    parallel (1.12.1)
-    parser (2.5.3.0)
+    parallel (1.13.0)
+    parser (2.6.0.0)
       ast (~> 2.4.0)
-    pg (1.1.3)
+    pg (1.1.4)
     powerpack (0.1.2)
-    pry (0.12.0)
+    pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     pry-byebug (3.6.0)
@@ -222,57 +221,57 @@ GEM
       pry (~> 0.10)
     public_suffix (3.0.3)
     puma (3.12.0)
-    pundit (2.0.0)
+    pundit (2.0.1)
       activesupport (>= 3.0.0)
     rack (2.0.6)
-    rack-mini-profiler (1.0.0)
+    rack-mini-profiler (1.0.2)
       rack (>= 1.2.0)
     rack-proxy (0.6.5)
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
-    rails (5.2.1.1)
-      actioncable (= 5.2.1.1)
-      actionmailer (= 5.2.1.1)
-      actionpack (= 5.2.1.1)
-      actionview (= 5.2.1.1)
-      activejob (= 5.2.1.1)
-      activemodel (= 5.2.1.1)
-      activerecord (= 5.2.1.1)
-      activestorage (= 5.2.1.1)
-      activesupport (= 5.2.1.1)
+    rails (5.2.2)
+      actioncable (= 5.2.2)
+      actionmailer (= 5.2.2)
+      actionpack (= 5.2.2)
+      actionview (= 5.2.2)
+      activejob (= 5.2.2)
+      activemodel (= 5.2.2)
+      activerecord (= 5.2.2)
+      activestorage (= 5.2.2)
+      activesupport (= 5.2.2)
       bundler (>= 1.3.0)
-      railties (= 5.2.1.1)
+      railties (= 5.2.2)
       sprockets-rails (>= 2.0.0)
-    rails-controller-testing (1.0.2)
-      actionpack (~> 5.x, >= 5.0.1)
-      actionview (~> 5.x, >= 5.0.1)
-      activesupport (~> 5.x)
+    rails-controller-testing (1.0.4)
+      actionpack (>= 5.0.1.x)
+      actionview (>= 5.0.1.x)
+      activesupport (>= 5.0.1.x)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
     rails-html-sanitizer (1.0.4)
       loofah (~> 2.2, >= 2.2.2)
-    rails-i18n (5.1.2)
+    rails-i18n (5.1.3)
       i18n (>= 0.7, < 2)
       railties (>= 5.0, < 6)
-    railties (5.2.1.1)
-      actionpack (= 5.2.1.1)
-      activesupport (= 5.2.1.1)
+    railties (5.2.2)
+      actionpack (= 5.2.2)
+      activesupport (= 5.2.2)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.19.0, < 2.0)
     rainbow (3.0.0)
-    rake (12.3.1)
-    ransack (2.1.0)
+    rake (12.3.2)
+    ransack (2.1.1)
       actionpack (>= 5.0)
       activerecord (>= 5.0)
       activesupport (>= 5.0)
       i18n
     rb-fsevent (0.10.3)
-    rb-inotify (0.9.10)
-      ffi (>= 0.5.0, < 2)
-    regexp_parser (1.2.0)
+    rb-inotify (0.10.0)
+      ffi (~> 1.0)
+    regexp_parser (1.3.0)
     rest-client (2.0.2)
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
@@ -291,7 +290,7 @@ GEM
     rspec-mocks (3.8.0)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.8.0)
-    rspec-rails (3.8.1)
+    rspec-rails (3.8.2)
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       railties (>= 3.0)
@@ -300,7 +299,7 @@ GEM
       rspec-mocks (~> 3.8.0)
       rspec-support (~> 3.8.0)
     rspec-support (3.8.0)
-    rubocop (0.60.0)
+    rubocop (0.64.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.5, != 2.5.1.1)
@@ -308,7 +307,7 @@ GEM
       rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (~> 1.4.0)
-    rubocop-rspec (1.30.1)
+    rubocop-rspec (1.32.0)
       rubocop (>= 0.60.0)
     ruby-progressbar (1.10.0)
     ruby_dep (1.5.0)
@@ -316,7 +315,7 @@ GEM
       json (~> 2.1)
       structured_warnings (~> 0.3)
     rubyzip (1.2.2)
-    sass (3.6.0)
+    sass (3.7.3)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
@@ -342,7 +341,7 @@ GEM
       actionpack (>= 3.1)
       railties (>= 3.1)
       slim (>= 3.0, < 5.0)
-    sorcery (0.12.0)
+    sorcery (0.13.0)
       bcrypt (~> 3.1)
       oauth (~> 0.4, >= 0.4.4)
       oauth2 (~> 1.0, >= 0.8.0)
@@ -355,25 +354,25 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    sshkit (1.18.0)
+    sshkit (1.18.2)
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
     structured_warnings (0.3.0)
     temple (0.8.0)
     thor (0.20.3)
     thread_safe (0.3.6)
-    tilt (2.0.8)
+    tilt (2.0.9)
     turbolinks (5.2.0)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    uglifier (4.1.19)
+    uglifier (4.1.20)
       execjs (>= 0.3.0, < 3)
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.5)
-    unicode-display_width (1.4.0)
+    unicode-display_width (1.4.1)
     web-console (3.7.0)
       actionview (>= 5.0)
       activemodel (>= 5.0)
@@ -435,7 +434,7 @@ DEPENDENCIES
   puma
   pundit
   rack-mini-profiler
-  rails (= 5.2.1.1)
+  rails (= 5.2.2)
   rails-controller-testing
   rails-i18n
   ransack
@@ -460,4 +459,4 @@ DEPENDENCIES
   whenever
 
 BUNDLED WITH
-   1.17.1
+   1.17.2
diff --git a/provision.sh b/provision.sh
index cf4ca496..c5653ec6 100644
--- a/provision.sh
+++ b/provision.sh
@@ -5,9 +5,9 @@
 ######## VERSION INFORMATION ########
 
 postgres_version=10
-ruby_version=2.5.1
-rails_version=5.2.1
-geckodriver_version=0.23.0
+ruby_version=2.6.1
+rails_version=5.2.2
+geckodriver_version=0.24.0
 
 ########## INSTALL SCRIPT ###########