diff --git a/Gemfile b/Gemfile
index bd06dfe..d34a89f 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',                '~> 0.3'
+  gem 'puppet-lint-unquoted_string-check',                '~> 1.0'
   gem 'puppet-lint-variable_contains_upcase',             '~> 1.2'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 4786bd0..7f6928e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -79,8 +79,8 @@ 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 (0.3.0)
-      puppet-lint (>= 1.0, < 3.0)
+    puppet-lint-unquoted_string-check (1.0.0)
+      puppet-lint (>= 2.1, < 3.0)
     puppet-lint-variable_contains_upcase (1.2.0)
       puppet-lint (>= 1.0, < 3.0)
     puppet-syntax (2.6.0)
@@ -176,7 +176,7 @@ 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 (~> 0.3)
+  puppet-lint-unquoted_string-check (~> 1.0)
   puppet-lint-variable_contains_upcase (~> 1.2)
   puppetlabs_spec_helper (~> 2.3)
   r10k (~> 2.5)