diff --git a/moduleroot/.rubocop.yml.erb b/moduleroot/.rubocop.yml.erb
index 7c271606..30437990 100644
--- a/moduleroot/.rubocop.yml.erb
+++ b/moduleroot/.rubocop.yml.erb
@@ -1,6 +1,6 @@
 require: rubocop-rspec
 AllCops:
-  TargetRubyVersion: 1.9
+  TargetRubyVersion: 2.4
   Include:
     - ./**/*.rb
   Exclude: