diff --git a/Gemfile b/Gemfile
index fe97816..ce184f6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -40,6 +40,6 @@ group :development, :unit_tests do
   gem 'puppet-lint-spaceship_operator_without_tag-check', '~> 0.1'
   gem 'puppet-lint-trailing_newline-check',               '~> 1.1'
   gem 'puppet-lint-undef_in_function-check',              '~> 0.2'
-  gem 'puppet-lint-unquoted_string-check',                '~> 2.0'
+  gem 'puppet-lint-unquoted_string-check',                '~> 2.1'
   gem 'puppet-lint-variable_contains_upcase',             '~> 1.2'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 649cd44..044c88d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -109,7 +109,7 @@ GEM
       puppet-lint (>= 1.0, < 3.0)
     puppet-lint-undef_in_function-check (0.2.1)
       puppet-lint (>= 1.0, < 3.0)
-    puppet-lint-unquoted_string-check (2.0.0)
+    puppet-lint-unquoted_string-check (2.1.0)
       puppet-lint (>= 2.1, < 3.0)
     puppet-lint-variable_contains_upcase (1.2.0)
       puppet-lint (>= 1.0, < 3.0)
@@ -222,7 +222,7 @@ DEPENDENCIES
   puppet-lint-spaceship_operator_without_tag-check (~> 0.1)
   puppet-lint-trailing_newline-check (~> 1.1)
   puppet-lint-undef_in_function-check (~> 0.2)
-  puppet-lint-unquoted_string-check (~> 2.0)
+  puppet-lint-unquoted_string-check (~> 2.1)
   puppet-lint-variable_contains_upcase (~> 1.2)
   puppetlabs_spec_helper (~> 4.0)
   r10k (~> 3.15)