diff --git a/lib/db/caches.php b/lib/db/caches.php
index 84ccd701f64..cd69bbccd11 100644
--- a/lib/db/caches.php
+++ b/lib/db/caches.php
@@ -383,5 +383,8 @@ $definitions = array(
         'simplekeys' => true,
         'simpledata' => true,
         'ttl' => 1800,
+        'invalidationevents' => array(
+            'createduser',
+        )
     ),
 );
diff --git a/user/lib.php b/user/lib.php
index eaf9b6a38f4..5ad036725f6 100644
--- a/user/lib.php
+++ b/user/lib.php
@@ -122,6 +122,9 @@ function user_create_user($user, $updatepassword = true, $triggerevent = true) {
         \core\event\user_created::create_from_userid($newuserid)->trigger();
     }
 
+    // Purge the associated caches.
+    cache_helper::purge_by_event('createduser');
+
     return $newuserid;
 }
 
diff --git a/version.php b/version.php
index e4e22a1adec..99ad0629b70 100644
--- a/version.php
+++ b/version.php
@@ -29,7 +29,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$version  = 2017111304.02;              // 20171113      = branching date YYYYMMDD - do not modify!
+$version  = 2017111304.03;              // 20171113      = branching date YYYYMMDD - do not modify!
                                         //         RR    = release increments - 00 in DEV branches.
                                         //           .XX = incremental changes.