prologix_gpib.gemspec in prologix_gpib-0.4.3 vs prologix_gpib.gemspec in prologix_gpib-0.4.4

@@ -26,12 +26,12 @@
   spec.files = Dir.chdir(File.expand_path(__dir__)) { `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) } }
   spec.bindir = 'exe'
   spec.executables = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 
-  spec.add_dependency 'activesupport'
-  spec.add_dependency 'rubyserial'
-  spec.add_dependency 'thor'
+  spec.add_dependency 'activesupport', '~> 7.0.1'
+  spec.add_dependency 'rubyserial', '~> 0.6.0'
+  spec.add_dependency 'thor', '~> 1.2.1'
   spec.add_dependency 'terminal-table', '~> 3.0.2'
 
   spec.add_development_dependency 'bundler', '~> 2.0'
   spec.add_development_dependency 'rake', '~> 10.0'
 end