diff --git a/Puppetfile b/Puppetfile
index 90b2cfa..61e83b9 100644
--- a/Puppetfile
+++ b/Puppetfile
@@ -6,7 +6,8 @@ mod 'puppetlabs-translate', '2.0.0'
 mod 'puppetlabs-inifile', '3.1.0'
 #mod 'puppetlabs/inifile', '3.0.0'
 #mod 'puppetlabs/stdlib',  '6.0.0'
-mod 'puppetlabs/concat',  '6.0.0'
+#mod 'puppetlabs/concat',  '6.0.0'
+mod 'puppetlabs-concat', '6.1.0'
 mod 'puppetlabs-stdlib', '6.1.0'
 mod 'danieldreier-autosign', '0.2.0'