diff --git a/tasks/install_arm.yml b/tasks/install_arm.yml
index d9c354f..8d56030 100644
--- a/tasks/install_arm.yml
+++ b/tasks/install_arm.yml
@@ -11,7 +11,7 @@
 - name: Ensure Puppet agent gem is installed
   gem:
     name: puppet
-    version: "<7"
+    version: "<{{ puppet_version + 1}}"
     norc: true
     user_install: false
     state: present