diff --git a/codedeploy_agent.gemspec b/codedeploy_agent.gemspec
index 4b9ab801..87ddaf3f 100644
--- a/codedeploy_agent.gemspec
+++ b/codedeploy_agent.gemspec
@@ -1,6 +1,6 @@
 Gem::Specification.new do |spec|
   spec.name          = 'aws_codedeploy_agent'
-  spec.version       = '1.7.0'
+  spec.version       = '1.7.1'
   spec.summary       = 'Packages AWS CodeDeploy agent libraries'
   spec.description   = 'AWS CodeDeploy agent is responsible for doing the actual work of deploying software on an individual EC2 instance'
   spec.author        = 'Amazon Web Services'
@@ -13,13 +13,14 @@ Gem::Specification.new do |spec|
 
   spec.add_dependency('gli', '~> 2.21')
   spec.add_dependency('json_pure', '~> 1.6')
-  spec.add_dependency('archive-tar-minitar', '~> 0.5.2')
+  spec.add_dependency('minitar', '~> 0.6.1')
   spec.add_dependency('rubyzip', '~> 1.3.0')
   spec.add_dependency('logging', '~> 2.2')
   spec.add_dependency('aws-sdk-core', '~> 3')
   spec.add_dependency('aws-sdk-s3', '~> 1')
   spec.add_dependency('docopt', '~> 0.5.0')
   spec.add_dependency('concurrent-ruby', '~> 1.1.9')
+  spec.add_dependency('rexml', '~> 3.3.9')
 
   spec.add_development_dependency('rake', '~> 12.3.3')
   spec.add_development_dependency('rspec', '~> 3.2.0')
diff --git a/vendor/gems/codedeploy-commands-1.0.0/lib/aws/plugins/deploy_control_endpoint.rb b/vendor/gems/codedeploy-commands-1.0.0/lib/aws/plugins/deploy_control_endpoint.rb
index eff60a52..0388cbb6 100644
--- a/vendor/gems/codedeploy-commands-1.0.0/lib/aws/plugins/deploy_control_endpoint.rb
+++ b/vendor/gems/codedeploy-commands-1.0.0/lib/aws/plugins/deploy_control_endpoint.rb
@@ -1,4 +1,5 @@
 require 'aws-sdk-core'
+require 'json'
 
 module Aws
   module Plugins
@@ -20,10 +21,29 @@ class DeployControlEndpoint < Seahorse::Client::Plugin
           if InstanceMetadata.imds_supported?
             region = InstanceMetadata.region
             domain = InstanceMetadata.domain
+
+            if is_on_prem?
+              partitions_region_pattern = File.read(File.join(File.dirname(__FILE__), 'partition-region-pattern.json'))
+              partitions_region_pattern_hash = JSON.parse(partitions_region_pattern)
+              
+              unless partitions_region_pattern_hash.include?(domain)
+                raise "Unknown domain: #{domain}"
+              end
+              
+              known_region_pattern = partitions_region_pattern_hash[domain]["regionRegex"]
+              
+              unless region.match(known_region_pattern)
+                raise "Invalid region: #{region}"
+              end
+            end
+
+            ProcessManager::Log.info("Creating client url from IMDS region and domain")
           else
             region = cfg.region
             domain = 'amazonaws.com'
             domain += '.cn' if region.split("-")[0] == 'cn'
+
+            ProcessManager::Log.info("Creating client url from configurations")
           end
 
           url = "https://#{service}.#{region}.#{domain}"
@@ -32,6 +52,10 @@ class DeployControlEndpoint < Seahorse::Client::Plugin
         ProcessManager::Log.info("CodeDeploy endpoint: #{url}")
         url
       end
+
+      def self.is_on_prem?
+        return File.readable?(InstanceAgent::Config.config[:on_premises_config_file])
+      end
     end
   end
 end
diff --git a/vendor/gems/codedeploy-commands-1.0.0/lib/aws/plugins/partition-region-pattern.json b/vendor/gems/codedeploy-commands-1.0.0/lib/aws/plugins/partition-region-pattern.json
new file mode 100644
index 00000000..eedffa08
--- /dev/null
+++ b/vendor/gems/codedeploy-commands-1.0.0/lib/aws/plugins/partition-region-pattern.json
@@ -0,0 +1,9 @@
+{
+    "amazonaws.com": {
+        "regionRegex" : "^[0-9a-z-]{1,20}$"
+    },
+
+    "amazonaws.com.cn": {   
+        "regionRegex" : "^cn\\-\\w+\\-\\d+$"
+    }
+}
\ No newline at end of file