diff --git a/app/interactors/issue_cert.rb b/app/interactors/issue_cert.rb
index e3456af..a9ae6d4 100644
--- a/app/interactors/issue_cert.rb
+++ b/app/interactors/issue_cert.rb
@@ -1,5 +1,5 @@
 class IssueCert
   include Interactor::Organizer
 
-  organize CheckPolicy, ObtainCert
+  organize CheckPolicy, ObtainCert, Log
 end
diff --git a/app/interactors/log.rb b/app/interactors/log.rb
new file mode 100644
index 0000000..1146d82
--- /dev/null
+++ b/app/interactors/log.rb
@@ -0,0 +1,6 @@
+class Log
+  include Interactor
+
+  def call
+  end
+end