diff --git a/Gemfile b/Gemfile
index ee0bdbda8..1420bd499 100644
--- a/Gemfile
+++ b/Gemfile
@@ -48,7 +48,7 @@ gem 'tzinfo-data'
 gem 'chosen-rails'
 gem 'commonmarker'
 
-gem 'gibbon', '~> 3.4.4'
+gem 'gibbon', '~> 3.5.0'
 
 gem 'stripe'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 4c259a268..f86685f0c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -158,7 +158,8 @@ GEM
     fabrication (2.30.0)
     faker (3.2.1)
       i18n (>= 1.8.11, < 2)
-    faraday (2.7.10)
+    faraday (2.7.11)
+      base64
       faraday-net_http (>= 2.0, < 3.1)
       ruby2_keywords (>= 0.0.4)
     faraday-net_http (3.0.2)
@@ -169,7 +170,7 @@ GEM
     foreman (0.87.2)
     friendly_id (5.5.0)
       activerecord (>= 4.0.0)
-    gibbon (3.4.4)
+    gibbon (3.5.0)
       faraday (>= 1.0)
       multi_json (>= 1.11.0)
     globalid (1.2.1)
@@ -507,7 +508,7 @@ DEPENDENCIES
   font_awesome5_rails
   foreman
   friendly_id
-  gibbon (~> 3.4.4)
+  gibbon (~> 3.5.0)
   haml
   high_voltage
   icalendar