diff --git a/lib/java_buildpack/framework/app_dynamics_agent.rb b/lib/java_buildpack/framework/app_dynamics_agent.rb
index 4b3bb9c9b5..de7c8a94b2 100644
--- a/lib/java_buildpack/framework/app_dynamics_agent.rb
+++ b/lib/java_buildpack/framework/app_dynamics_agent.rb
@@ -145,7 +145,8 @@ def copy_appd_default_configuration(default_conf_dir)
       def check_if_resource_exists(resource_uri, conf_file)
         # check if resource exists on remote server
         begin
-          response = Net::HTTP.start(resource_uri.host, resource_uri.port) do |http|
+          opts = { use_ssl: true } if resource_uri.scheme == 'https'
+          response = Net::HTTP.start(resource_uri.host, resource_uri.port, opts) do |http|
             http.request_head(resource_uri)
           end
         rescue StandardError => e
diff --git a/spec/java_buildpack/framework/app_dynamics_agent_spec.rb b/spec/java_buildpack/framework/app_dynamics_agent_spec.rb
index 19567dbf64..cfa8ea9989 100644
--- a/spec/java_buildpack/framework/app_dynamics_agent_spec.rb
+++ b/spec/java_buildpack/framework/app_dynamics_agent_spec.rb
@@ -164,6 +164,30 @@
           end
           component.compile
         end
+
+      end
+
+      context do
+        let(:environment) { { 'APPD_CONF_HTTP_URL' => 'https://foo.com' } }
+
+        it 'sets APPD_CONF_HTTP_URL env var to download config files over HTTPS',
+           cache_fixture: 'stub-app-dynamics-agent.zip' do
+
+          config_files = %w[logging/log4j2.xml logging/log4j.xml app-agent-config.xml controller-info.xml
+                            service-endpoint.xml transactions.xml custom-interceptors.xml
+                            custom-activity-correlation.xml]
+
+          config_files.each do |file|
+            uri = "https://foo.com/java/#{file}"
+            allow(application_cache).to receive(:get)
+              .with(uri)
+            allow(Net::HTTP).to receive(:start).with('foo.com', 443, use_ssl: true).and_call_original
+            stub_request(:head, uri)
+              .with(headers: { 'Accept' => '*/*', 'Host' => 'foo.com', 'User-Agent' => 'Ruby' })
+              .to_return(status: 200, body: '', headers: {})
+          end
+          component.compile
+        end
       end
     end
   end