diff --git a/Gemfile b/Gemfile
index 78fa41a0..7e5fdf1b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -78,7 +78,7 @@ gem 'mimemagic'
 gem 'language_engine', git: 'https://github.com/entur/language_engine'
 gem 'calendar_helper', '0.2.6'
 gem 'cocoon'
-gem 'formtastic', '4.0.0'
+gem 'formtastic', '5.0.0'
 gem 'RedCloth'
 gem 'simple_form', '~> 5.2.0'
 gem 'font-awesome-sass', '~> 4.2.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 9153606e..c489830c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -329,8 +329,8 @@ GEM
     font-awesome-sass (4.2.2)
       sass (~> 3.2)
     formatador (1.1.0)
-    formtastic (4.0.0)
-      actionpack (>= 5.2.0)
+    formtastic (5.0.0)
+      actionpack (>= 6.0.0)
     geokit (1.6.7)
       multi_json (>= 1.3.2)
     georuby (2.3.0)
@@ -359,7 +359,7 @@ GEM
     http-cookie (1.0.5)
       domain_name (~> 0.5)
     httpclient (2.8.3)
-    i18n (1.13.0)
+    i18n (1.14.1)
       concurrent-ruby (~> 1.0)
     inherited_resources (1.13.1)
       actionpack (>= 5.2, < 7.1)
@@ -402,7 +402,7 @@ GEM
     listen (3.8.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    loofah (2.21.4)
+    loofah (2.22.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
     lumberjack (1.2.10)
@@ -426,7 +426,7 @@ GEM
     mini_portile2 (2.8.5)
     mini_racer (0.6.4)
       libv8-node (~> 16.19.0.0)
-    minitest (5.18.1)
+    minitest (5.22.2)
     multi_json (1.15.0)
     multi_xml (0.6.0)
     multipart-post (2.3.0)
@@ -543,16 +543,18 @@ GEM
       actionpack (>= 5.0.1.rc1)
       actionview (>= 5.0.1.rc1)
       activesupport (>= 5.0.1.rc1)
-    rails-dom-testing (2.0.3)
-      activesupport (>= 4.2.0)
+    rails-dom-testing (2.2.0)
+      activesupport (>= 5.0.0)
+      minitest
       nokogiri (>= 1.6)
     rails-erd (1.7.2)
       activerecord (>= 4.2)
       activesupport (>= 4.2)
       choice (~> 0.2.0)
       ruby-graphviz (~> 1.2)
-    rails-html-sanitizer (1.5.0)
-      loofah (~> 2.19, >= 2.19.1)
+    rails-html-sanitizer (1.6.0)
+      loofah (~> 2.21)
+      nokogiri (~> 1.14)
     rails-i18n (6.0.0)
       i18n (>= 0.7, < 2)
       railties (>= 6.0.0, < 7)
@@ -747,7 +749,7 @@ DEPENDENCIES
   ffi-proj4!
   figaro (~> 1.2.0)
   font-awesome-sass (~> 4.2.0)
-  formtastic (= 4.0.0)
+  formtastic (= 5.0.0)
   georuby (= 2.3.0)
   georuby-ext!
   google-analytics-rails (~> 1.1.0)