diff --git a/.ruby-version b/.ruby-version
index 02f2617..b503b50 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-ruby-1.9.3-p484
+ruby-2.4.3
diff --git a/etc/daily_mailer b/etc/daily_mailer
index 80d8900..34ff08e 100755
--- a/etc/daily_mailer
+++ b/etc/daily_mailer
@@ -1,7 +1,12 @@
+#
+# Not used. We now call docker from crontab
+#  /usr/bin/docker run --network smartmeter_default --rm smartmeter_smartmeter ruby report_mailer.rb
+#
+
 #!/usr/bin/env bash
 
 # load rvm ruby
-source /usr/local/rvm/environments/ruby-1.9.3-p484@smartmeter
+source /usr/local/rvm/environments/ruby-2.4.1@smartmeter
 
 cd /home/pcog/smartmeter
 ruby report_mailer.rb