diff --git a/modules.env b/modules.env
index a49267827a..1afa37fd36 100644
--- a/modules.env
+++ b/modules.env
@@ -49,7 +49,7 @@ SOURCE_MODULES["https://github.com/puppet-community/puppet-git_resource"]="0.3.0
 SOURCE_MODULES["https://github.com/puppet-community/puppet-module-puppetboard"]="2.4.0"
 SOURCE_MODULES["https://github.com/puppet-community/puppet-nodejs"]="1.2.0"
 SOURCE_MODULES["https://github.com/puppetlabs/puppetlabs-apt"]="2.1.0"
-SOURCE_MODULES["https://github.com/puppetlabs/puppetlabs-concat"]="1.1.0"
+SOURCE_MODULES["https://github.com/puppetlabs/puppetlabs-concat"]="1.2.5"
 SOURCE_MODULES["https://github.com/puppetlabs/puppetlabs-firewall"]="1.1.3"
 # TODO(nibalizer): move back to tag once this commit is in a release
 SOURCE_MODULES["https://github.com/puppetlabs/puppetlabs-haproxy"]="5f638ef2dbf66fca67a1774dd8147e6eb596955c"