diff --git a/Gemfile b/Gemfile
index a12179e01..929f28316 100644
--- a/Gemfile
+++ b/Gemfile
@@ -25,4 +25,4 @@ gem "net-ssh", "<= 2.9.2"
 # Latest versions of these gems do not support ruby_18
 gem "rake", "< 10.1.2"
 gem "i18n", "< 0.7.0"
-gem "commander", "< 4.3.0"
+gem "commander", "~> 4.3.6"
diff --git a/rhc.gemspec b/rhc.gemspec
index bdf5cd467..bdc9fcca2 100644
--- a/rhc.gemspec
+++ b/rhc.gemspec
@@ -34,8 +34,8 @@ Gem::Specification.new do |s|
   s.add_dependency              'net-scp',      '>= 1.1.2'
   s.add_dependency              'net-ssh-multi','>= 1.2.0'
   s.add_dependency              'archive-tar-minitar'
-  s.add_runtime_dependency      'commander',    '>= 4.0', '< 4.3.0'
-  s.add_runtime_dependency      'highline',     '~> 1.6.11'
+  s.add_runtime_dependency      'commander',    '>= 4.0', '~> 4.3.6'
+  s.add_runtime_dependency      'highline',     '~> 1.7.2'
   s.add_runtime_dependency      'httpclient',   '>= 2.4.0', '< 2.7.0'
   s.add_runtime_dependency      'open4'
   s.add_development_dependency  'rake',         '>= 0.8.7'