diff --git a/Puppetfile b/Puppetfile
index d0071e6..2c4300e 100644
--- a/Puppetfile
+++ b/Puppetfile
@@ -26,6 +26,7 @@ mod 'puppetlabs-ntp', '8.1.0'
 mod 'ayohrling-local_security_policy', '0.6.3'
 mod 'basti1302-windows_path', '0.1.1'
 mod 'tse-winntp', '1.0.1'
+mod 'puppetlabs-exec', '0.5.0'
 
 # Modules from Git
 # Examples: https://github.com/puppetlabs/r10k/blob/master/doc/puppetfile.mkd#examples