diff --git a/manifests/init.pp b/manifests/init.pp
index ba0c39b861..744dc12338 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -245,7 +245,7 @@
 
   validate_re($repo, ['^main$', '^unstable$'], "Repo must be 'main' or 'unstable'.  Found: ${repo}")
   validate_re($version, ['^absent$', '^installed$', '^latest$', '^present$', '^[\d\.\-]+$'], "Invalid package version: ${version}")
-  validate_re($sensu_plugin_version, ['^absent$', '^installed$', '^latest$', '^present$', '^[\d\.\-]+$'], "Invalid sensu-plugin package version: ${sensu_plugin_version}")
+  validate_re($sensu_plugin_version, ['^absent$', '^installed$', '^latest$', '^present$', '^\d[\d\.\-\w]+$'], "Invalid sensu-plugin package version: ${sensu_plugin_version}")
   validate_re($log_level, ['^debug$', '^info$', '^warn$', '^error$', '^fatal$'] )
   if !is_integer($rabbitmq_port) { fail('rabbitmq_port must be an integer') }
   if !is_integer($redis_port) { fail('redis_port must be an integer') }