diff --git a/manifests/apache.pp b/manifests/apache.pp
index 495752c06f52a8196e0ba20605a7b514904b5fa2..bea3ec35e5e03d6f3f5d2f06a15f58afa744204a 100644
--- a/manifests/apache.pp
+++ b/manifests/apache.pp
@@ -35,7 +35,7 @@ class ojs::apache (
     default_charset => 'UTF-8',
     default_vhost   => false,
     purge_configs   => true,
-    mpm_module      => 'prefork',
+    mpm_module      => 'event',
   }
   class { 'apache::mod::ssl': }
   class { 'apache::mod::proxy': }