diff --git a/admin/tool/monitor/db/install.xml b/admin/tool/monitor/db/install.xml
index 1774e5895d1..da64419f0f8 100644
--- a/admin/tool/monitor/db/install.xml
+++ b/admin/tool/monitor/db/install.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<XMLDB PATH="admin/tool/monitor/db" VERSION="20141103" COMMENT="XMLDB file for Moodle tool/monitor"
+<XMLDB PATH="admin/tool/monitor/db" VERSION="20220530" COMMENT="XMLDB file for Moodle tool/monitor"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:noNamespaceSchemaLocation="../../../../lib/xmldb/xmldb.xsd"
 >
@@ -76,6 +76,9 @@
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
+        <KEY NAME="courseid" TYPE="foreign" FIELDS="courseid" REFTABLE="course" REFFIELDS="id"/>
+        <KEY NAME="contextid" TYPE="foreign" FIELDS="contextid" REFTABLE="context" REFFIELDS="id"/>
+        <KEY NAME="contextinstanceid" TYPE="foreign" FIELDS="contextinstanceid" REFTABLE="context" REFFIELDS="instanceid"/>
       </KEYS>
     </TABLE>
   </TABLES>
diff --git a/admin/tool/monitor/db/upgrade.php b/admin/tool/monitor/db/upgrade.php
index 248aea174bd..86781854f70 100644
--- a/admin/tool/monitor/db/upgrade.php
+++ b/admin/tool/monitor/db/upgrade.php
@@ -33,11 +33,41 @@ defined('MOODLE_INTERNAL') || die();
 function xmldb_tool_monitor_upgrade($oldversion) {
     global $CFG, $DB;
 
+    require_once($CFG->libdir.'/db/upgradelib.php'); // Core Upgrade-related functions.
+
+    $dbman = $DB->get_manager(); // Loads ddl manager and xmldb classes.
+
     // Automatically generated Moodle v3.9.0 release upgrade line.
     // Put any upgrade step following this.
 
     // Automatically generated Moodle v4.0.0 release upgrade line.
     // Put any upgrade step following this.
+    if ($oldversion < 2022053000) {
+
+        // Define key courseid (foreign) to be added to tool_monitor_events.
+        $table = new xmldb_table('tool_monitor_events');
+        $key = new xmldb_key('courseid', XMLDB_KEY_FOREIGN, ['courseid'], 'course', ['id']);
+
+        // Launch add key courseid.
+        $dbman->add_key($table, $key);
+
+        // Define key contextid (foreign) to be added to tool_monitor_events.
+        $table = new xmldb_table('tool_monitor_events');
+        $key = new xmldb_key('contextid', XMLDB_KEY_FOREIGN, ['contextid'], 'context', ['id']);
+
+        // Launch add key contextid.
+        $dbman->add_key($table, $key);
+
+        // Define key contextinstanceid (foreign) to be added to tool_monitor_events.
+        $table = new xmldb_table('tool_monitor_events');
+        $key = new xmldb_key('contextinstanceid', XMLDB_KEY_FOREIGN, ['contextinstanceid'], 'context', ['instanceid']);
+
+        // Launch add key contextinstanceid.
+        $dbman->add_key($table, $key);
+
+        // Monitor savepoint reached.
+        upgrade_plugin_savepoint(true, 2022053000, 'tool', 'monitor');
+    }
 
     return true;
 }
diff --git a/admin/tool/monitor/version.php b/admin/tool/monitor/version.php
index 7c0e0c6c33b..3397cbfcda5 100644
--- a/admin/tool/monitor/version.php
+++ b/admin/tool/monitor/version.php
@@ -26,6 +26,6 @@
 
 defined('MOODLE_INTERNAL') || die;
 
-$plugin->version   = 2022041900;     // The current plugin version (Date: YYYYMMDDXX).
+$plugin->version   = 2022053000;     // The current plugin version (Date: YYYYMMDDXX).
 $plugin->requires  = 2022041200;     // Requires this Moodle version.
 $plugin->component = 'tool_monitor'; // Full name of the plugin (used for diagnostics).