diff --git a/voxpupuli-test.gemspec b/voxpupuli-test.gemspec
index 5e46ad8..c969cd9 100644
--- a/voxpupuli-test.gemspec
+++ b/voxpupuli-test.gemspec
@@ -18,7 +18,7 @@ Gem::Specification.new do |s|
 
   # Testing
   s.add_runtime_dependency 'facterdb', '>= 1.4.0', '< 2'
-  s.add_runtime_dependency 'metadata-json-lint', '~> 3.0', '>= 3.0.3'
+  s.add_runtime_dependency 'metadata-json-lint', '~> 4.0'
   s.add_runtime_dependency 'parallel_tests', '~> 4.2'
   # 4.0.0 provides rubocop annotations in GitHub Actions
   # 5.0.0 supports the validation of REFERENCE.md
@@ -26,7 +26,7 @@ Gem::Specification.new do |s|
   # lazy dependency of the `validate` task. Will check the REFERENCE.md
   # 3.0.0 and later require Ruby 2.7
   s.add_runtime_dependency 'puppet-strings', '~> 4.0'
-  s.add_runtime_dependency 'rspec-puppet', '~> 3.0'
+  s.add_runtime_dependency 'rspec-puppet', '~> 4.0'
   s.add_runtime_dependency 'rspec-puppet-facts', '~> 2.0', '>= 2.0.5'
   s.add_runtime_dependency 'rspec-puppet-utils', '~> 3.4'