diff --git a/Gemfile.lock b/Gemfile.lock
index 469d9e65f..97539305a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -15,7 +15,7 @@ PATH
       mongoid-locker (= 2.0.0)
       nokogiri
       notifications-ruby-client
-      rails (>= 6.0.3)
+      rails (>= 6.1.4)
       rest-client (~> 2.0)
       turbolinks
       uk_postcode
diff --git a/spec/dummy/config/environments/development.rb b/spec/dummy/config/environments/development.rb
index e2abab256..883e1371c 100644
--- a/spec/dummy/config/environments/development.rb
+++ b/spec/dummy/config/environments/development.rb
@@ -42,5 +42,5 @@
   config.assets.raise_runtime_errors = true
 
   # Raises error for missing translations
-  # config.action_view.raise_on_missing_translations = true
+  i18n.raise_on_missing_translations = true
 end
diff --git a/spec/dummy/config/environments/test.rb b/spec/dummy/config/environments/test.rb
index 608650855..2e7746543 100644
--- a/spec/dummy/config/environments/test.rb
+++ b/spec/dummy/config/environments/test.rb
@@ -35,5 +35,5 @@
   config.active_support.deprecation = :stderr
 
   # Raises error for missing translations
-  config.action_view.raise_on_missing_translations = true
+ i18n.raise_on_missing_translations = true
 end
diff --git a/waste_carriers_engine.gemspec b/waste_carriers_engine.gemspec
index ad7cdff8d..a07e49970 100644
--- a/waste_carriers_engine.gemspec
+++ b/waste_carriers_engine.gemspec
@@ -19,7 +19,7 @@ Gem::Specification.new do |s|
   s.files = Dir["{app,config,db,lib}/**/*", "LICENSE", "Rakefile", "README.rdoc"]
   s.test_files = Dir["spec/**/*"]
 
-  s.add_dependency "rails", ">= 6.0.3"
+  s.add_dependency "rails", ">= 6.1.4"
   # Use MongoDB as the database
   s.add_dependency "mongoid"
   # Implement document-level locking