diff --git a/lib/db/install.xml b/lib/db/install.xml
old mode 100644
new mode 100755
index c81044da8c7..dde051366f5
--- a/lib/db/install.xml
+++ b/lib/db/install.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<XMLDB PATH="lib/db" VERSION="20210422" COMMENT="XMLDB file for core Moodle tables"
+<XMLDB PATH="lib/db" VERSION="20221020" COMMENT="XMLDB file for core Moodle tables"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:noNamespaceSchemaLocation="../../lib/xmldb/xmldb.xsd"
 >
@@ -4237,6 +4237,9 @@
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
         <KEY NAME="mainlibraryid" TYPE="foreign" FIELDS="mainlibraryid" REFTABLE="h5p_libraries" REFFIELDS="id"/>
       </KEYS>
+      <INDEXES>
+        <INDEX NAME="pathnamehash_idx" UNIQUE="false" FIELDS="pathnamehash"/>
+      </INDEXES>
     </TABLE>
     <TABLE NAME="h5p_contents_libraries" COMMENT="Store which library is used in which content.">
       <FIELDS>
diff --git a/lib/db/upgrade.php b/lib/db/upgrade.php
index d24776ac519..9fda60ac5dd 100644
--- a/lib/db/upgrade.php
+++ b/lib/db/upgrade.php
@@ -2731,5 +2731,16 @@ function xmldb_main_upgrade($oldversion) {
         upgrade_main_savepoint(true, 2021051710.03);
     }
 
+    if ($oldversion < 2021051710.14) {
+        $table = new xmldb_table('h5p');
+        $indexpathnamehash = new xmldb_index('pathnamehash_idx', XMLDB_INDEX_NOTUNIQUE, ['pathnamehash']);
+
+        if (!$dbman->index_exists($table, $indexpathnamehash)) {
+            $dbman->add_index($table, $indexpathnamehash);
+        }
+        // Main savepoint reached.
+        upgrade_main_savepoint(true, 2021051710.14);
+    }
+
     return true;
 }