diff --git a/Gemfile b/Gemfile
index 537bc6a..160608b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -29,7 +29,7 @@ gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
 gem 'pg'
 gem 'figaro'
 gem 'jquery-rails'
-gem 'simple_form', '~> 3.5.0'
+gem 'simple_form', '~> 5.0.0'
 gem 'font-awesome-sass'
 gem 'slim-rails'
 gem 'high_voltage', '~> 3.0.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index d5ced59..95a2547 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -257,9 +257,9 @@ GEM
       connection_pool (>= 2.2.2)
       rack (~> 2.0)
       redis (>= 4.2.0)
-    simple_form (3.5.1)
-      actionpack (> 4, < 5.2)
-      activemodel (> 4, < 5.2)
+    simple_form (5.0.0)
+      actionpack (>= 5.0)
+      activemodel (>= 5.0)
     slim (4.1.0)
       temple (>= 0.7.6, < 0.9)
       tilt (>= 2.0.6, < 2.1)
@@ -340,7 +340,7 @@ DEPENDENCIES
   sass-rails (~> 5.0)
   selenium-webdriver
   sidekiq
-  simple_form (~> 3.5.0)
+  simple_form (~> 5.0.0)
   slim-rails
   spring
   spring-watcher-listen (~> 2.0.0)