diff --git a/Gemfile b/Gemfile
index 6b058691..0ebd9b21 100644
--- a/Gemfile
+++ b/Gemfile
@@ -51,7 +51,7 @@ gem 'will_paginate'
 gem "loofah", "2.20.0" if RUBY_VERSION.to_f < 2.5
 
 # templates
-gem 'haml-rails', '~> 0.4'
+gem 'haml-rails'
 gem 'haml-magic-translations'
 
 # assets
diff --git a/Gemfile.lock b/Gemfile.lock
index 69afeffd..b71902d1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -190,10 +190,10 @@ GEM
       tilt
     haml-magic-translations (4.2.0)
       haml (~> 4.0)
-    haml-rails (0.9.0)
+    haml-rails (1.0.0)
       actionpack (>= 4.0.1)
       activesupport (>= 4.0.1)
-      haml (>= 4.0.6, < 5.0)
+      haml (>= 4.0.6, < 6.0)
       html2haml (>= 1.0.1)
       railties (>= 4.0.1)
     hashie (5.0.0)
@@ -482,7 +482,7 @@ DEPENDENCIES
   gettext_i18n_rails_js!
   google-api-client (~> 0.10)
   haml-magic-translations
-  haml-rails (~> 0.4)
+  haml-rails
   ice_cube
   instedd-rails
   instedd_telemetry!