diff --git a/Gemfile b/Gemfile
index 1b882aab..497c56b1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -201,6 +201,7 @@ group :development do
   # to launch specs when files are modified
   gem 'guard-rspec', '~> 4.2.8'
   gem 'spring-commands-rspec'
+  gem 'haml_lint', '~> 0.24.0'
   # for static code analisys
   gem 'rubocop', '~> 0.48.1', require: false
   # as database
diff --git a/Gemfile.lock b/Gemfile.lock
index 3bc396d4..90ae82f0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -209,6 +209,12 @@ GEM
       activesupport (>= 4.0.1)
       haml (>= 3.1, < 5.0)
       railties (>= 4.0.1)
+    haml_lint (0.24.0)
+      haml (>= 4.0, < 5.1)
+      rainbow
+      rake (>= 10, < 13)
+      rubocop (>= 0.47.0)
+      sysexits (~> 1.1)
     hashie (2.1.1)
     hike (1.2.3)
     hoptoad_notifier (2.4.11)
@@ -488,6 +494,7 @@ GEM
       dante (>= 0.2.0)
       multi_json (>= 1.0.0)
       stripe (>= 1.31.0, <= 1.43)
+    sysexits (1.2.0)
     term-ansicolor (1.3.2)
       tins (~> 1.0)
     thor (0.19.1)
@@ -573,6 +580,7 @@ DEPENDENCIES
   gravtastic
   guard-rspec (~> 4.2.8)
   haml-rails
+  haml_lint (~> 0.24.0)
   hoptoad_notifier (~> 2.3)
   iso-639
   jquery-datatables-rails (~> 2.2.1)