diff --git a/Gemfile b/Gemfile
index 8fd65ce0..d8819c1e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -49,7 +49,7 @@ gem 'uglifier', '~> 4.1.19'
 gem 'chartkick', '~> 3.4.2'
 gem 'coderay', '~> 1.1.1'
 gem 'dry-validation', '~> 0.12.2'
-gem 'gibbon', '~> 3.0'
+gem 'gibbon', '~> 3.4'
 gem 'groupdate', '~> 4.0'
 gem 'httpclient', '~> 2.8.3'
 gem 'icalendar', '~> 2.5.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index cb2ef3be..b53e2c2a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -17,8 +17,13 @@ PATH
       slim-rails
 
 GEM
-  remote: https://rubygems.org/
   remote: https://rails-assets.org/
+  specs:
+    rails-assets-semantic-ui-calendar (0.0.8)
+    rails-assets-svgxuse (1.2.6)
+
+GEM
+  remote: https://rubygems.org/
   specs:
     Ascii85 (1.0.3)
     actioncable (5.2.5)
@@ -212,8 +217,29 @@ GEM
       railties (>= 4.2.0)
     faker (2.11.0)
       i18n (>= 1.6, < 2)
-    faraday (1.0.1)
+    faraday (1.10.0)
+      faraday-em_http (~> 1.0)
+      faraday-em_synchrony (~> 1.0)
+      faraday-excon (~> 1.1)
+      faraday-httpclient (~> 1.0)
+      faraday-multipart (~> 1.0)
+      faraday-net_http (~> 1.0)
+      faraday-net_http_persistent (~> 1.0)
+      faraday-patron (~> 1.0)
+      faraday-rack (~> 1.0)
+      faraday-retry (~> 1.0)
+      ruby2_keywords (>= 0.0.4)
+    faraday-em_http (1.0.0)
+    faraday-em_synchrony (1.0.0)
+    faraday-excon (1.1.0)
+    faraday-httpclient (1.0.1)
+    faraday-multipart (1.0.3)
       multipart-post (>= 1.2, < 3)
+    faraday-net_http (1.0.1)
+    faraday-net_http_persistent (1.2.0)
+    faraday-patron (1.0.0)
+    faraday-rack (1.0.0)
+    faraday-retry (1.0.3)
     ffi (1.12.2)
     formatador (0.2.5)
     friendly_id (5.3.0)
@@ -221,8 +247,8 @@ GEM
     fugit (1.3.3)
       et-orbi (~> 1.1, >= 1.1.8)
       raabro (~> 1.1)
-    gibbon (3.3.3)
-      faraday (>= 0.16.0)
+    gibbon (3.4.4)
+      faraday (>= 1.0)
       multi_json (>= 1.11.0)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
@@ -305,7 +331,7 @@ GEM
     mini_mime (1.1.0)
     mini_portile2 (2.5.1)
     minitest (5.14.4)
-    multi_json (1.14.1)
+    multi_json (1.15.0)
     multi_xml (0.6.0)
     multipart-post (2.1.1)
     nenv (0.3.0)
@@ -410,8 +436,6 @@ GEM
       bundler (>= 1.3.0)
       railties (= 5.2.5)
       sprockets-rails (>= 2.0.0)
-    rails-assets-semantic-ui-calendar (0.0.8)
-    rails-assets-svgxuse (1.2.6)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
@@ -499,6 +523,7 @@ GEM
       rubocop (>= 0.68.1)
     ruby-progressbar (1.10.1)
     ruby-rc4 (0.1.5)
+    ruby2_keywords (0.0.5)
     rufus-scheduler (3.6.0)
       fugit (~> 1.1, >= 1.1.6)
     safe_yaml (1.0.5)
@@ -638,7 +663,7 @@ DEPENDENCIES
   factory_bot_rails
   faker
   friendly_id (~> 5.1)
-  gibbon (~> 3.0)
+  gibbon (~> 3.4)
   groupdate (~> 4.0)
   guard-rspec
   httpclient (~> 2.8.3)