diff --git a/lib/logstash/monkeypatches-for-debugging.rb b/lib/logstash/monkeypatches-for-debugging.rb
new file mode 100644
index 000000000..2c0ea6d79
--- /dev/null
+++ b/lib/logstash/monkeypatches-for-debugging.rb
@@ -0,0 +1,10 @@
+if $DEBUGLIST.include?("require")
+  module Kernel
+    alias_method :require_debug, :require
+
+    def require(path)
+      puts "require(\"#{path}\")"
+      return require_debug(path)
+    end
+  end
+end
diff --git a/lib/logstash/runner.rb b/lib/logstash/runner.rb
index 495560562..54eb1ba3a 100644
--- a/lib/logstash/runner.rb
+++ b/lib/logstash/runner.rb
@@ -38,6 +38,7 @@ end
 
 require "logstash/monkeypatches-for-performance"
 require "logstash/monkeypatches-for-bugs"
+require "logstash/monkeypatches-for-debugging"
 require "logstash/namespace"
 require "logstash/program"
 require "i18n" # gem 'i18n'