diff --git a/manifests/default_mods.pp b/manifests/default_mods.pp
index f665d7383..03696f3d7 100644
--- a/manifests/default_mods.pp
+++ b/manifests/default_mods.pp
@@ -24,6 +24,9 @@
     case $::osfamily {
       'debian': {
         include ::apache::mod::reqtimeout
+        if versioncmp($apache_version, '2.4') >= 0 {
+          ::apache::mod { 'authn_core': }
+        }
       }
       'redhat': {
         include ::apache::mod::actions