diff --git a/lib/rails-route-checker/parsers/haml_parser/document.rb b/lib/rails-route-checker/parsers/haml_parser/document.rb
index dd8d43a..251c1d6 100644
--- a/lib/rails-route-checker/parsers/haml_parser/document.rb
+++ b/lib/rails-route-checker/parsers/haml_parser/document.rb
@@ -14,7 +14,7 @@ def initialize(source)
           options = Haml::Options.new
           original_tree = case version
                           when '~> 4.0', '~> 4.1' then Haml::Parser.new(@source, options).parse
-                          when '~> 5.0', '~> 5.1' then Haml::Parser.new(options).call(@source)
+                          when '~> 5.0', '~> 5.1', '~> 5.2' then Haml::Parser.new(options).call(@source)
                           else raise "Cannot handle Haml version: #{version}"
                           end