diff --git a/plugins/wporg-5ftf/includes/pledge-meta.php b/plugins/wporg-5ftf/includes/pledge-meta.php
index 9f8a4a9..2776abb 100755
--- a/plugins/wporg-5ftf/includes/pledge-meta.php
+++ b/plugins/wporg-5ftf/includes/pledge-meta.php
@@ -14,10 +14,12 @@ defined( 'WPINC' ) || die();
 const META_PREFIX = FiveForTheFuture\PREFIX . '_';
 
 add_action( 'init',                   __NAMESPACE__ . '\register_pledge_meta' );
+add_action( 'init',                   __NAMESPACE__ . '\schedule_cron_jobs' );
 add_action( 'admin_init',             __NAMESPACE__ . '\add_meta_boxes' );
 add_action( 'save_post',              __NAMESPACE__ . '\save_pledge', 10, 2 );
 add_action( 'admin_enqueue_scripts',  __NAMESPACE__ . '\enqueue_assets' );
-add_action( 'transition_post_status', __NAMESPACE__ . '\update_cached_pledge_data', 10, 3 );
+add_action( 'transition_post_status', __NAMESPACE__ . '\maybe_update_cached_pledge_data', 10, 3 );
+add_action( 'update_all_cached_pledged_data', __NAMESPACE__. '\update_all_cached_pledged_data' );
 
 // Both hooks must be used because `updated` doesn't fire if the post meta didn't previously exist.
 add_action( 'updated_postmeta', __NAMESPACE__ . '\update_generated_meta', 10, 4 );
@@ -126,6 +128,39 @@ function register_pledge_meta() {
 	}
 }
 
+/**
+ * Schedule cron jobs.
+ *
+ * This needs to run on the `init` action, because Cavalcade isn't fully loaded before that, and events
+ * wouldn't be scheduled.
+ *
+ * @see https://dotorg.trac.wordpress.org/changeset/15351/
+ */
+function schedule_cron_jobs() {
+	if ( ! wp_next_scheduled( 'update_all_cached_pledged_data' ) ) {
+		wp_schedule_event( time(), 'hourly', 'update_all_cached_pledged_data' );
+	}
+}
+
+/**
+ * Regularly update the cached data for all pledges.
+ *
+ * Outside of this cron job, it's only updated when a contributor post changes status, but it's possible for
+ * a contributor to edit their profile's # of hours at any time. If we didn't regularly check and update it,
+ * then it could be permanently out of date.
+ */
+function update_all_cached_pledged_data() {
+	$pledges = get_posts( array(
+		'post_type'   => Pledge\CPT_ID,
+		'post_status' => 'publish',
+		'numberposts' => 1000,
+	) );
+
+	foreach ( $pledges as $pledge ) {
+		update_cached_pledge_data( $pledge->ID );
+	}
+}
+
 /**
  * Adds meta boxes for the custom post type.
  *
@@ -321,9 +356,7 @@ function update_generated_meta( $meta_id, $object_id, $meta_key, $_meta_value )
 }
 
 /**
- * Update cached pledge data when a contributor post changes statuses.
- *
- * This is saved so that it can be easily queried against, and also to make stats calculations easier.
+ * Update the cached pledge data when a contributor post changes statuses.
  *
  * Note that contributor posts should always be trashed instead of deleted completely when a contributor is
  * removed from a pledge.
@@ -334,7 +367,7 @@ function update_generated_meta( $meta_id, $object_id, $meta_key, $_meta_value )
  *
  * @return void
  */
-function update_cached_pledge_data( $new_status, $old_status, WP_Post $post ) {
+function maybe_update_cached_pledge_data( $new_status, $old_status, WP_Post $post ) {
 	if ( Contributor\CPT_ID !== get_post_type( $post ) ) {
 		return;
 	}
@@ -346,14 +379,24 @@ function update_cached_pledge_data( $new_status, $old_status, WP_Post $post ) {
 	$pledge = get_post( $post->post_parent );
 
 	if ( $pledge instanceof WP_Post ) {
-		$pledge_data = XProfile\get_aggregate_contributor_data_for_pledge( $pledge->ID );
-
-		update_post_meta( $pledge->ID, META_PREFIX . 'pledge-confirmed-contributors', $pledge_data['contributors'] );
-		update_post_meta( $pledge->ID, META_PREFIX . 'pledge-total-hours', $pledge_data['hours'] );
-
+		update_cached_pledge_data( $pledge->ID );
 	}
 }
 
+/**
+ * Update the cached data for the given pledge.
+ *
+ * This is saved so that it can be easily queried against, and also to make stats calculations easier.
+ *
+ * @param $pledge_id
+ */
+function update_cached_pledge_data( $pledge_id ) {
+	$pledge_data = XProfile\get_aggregate_contributor_data_for_pledge( $pledge_id );
+
+	update_post_meta( $pledge_id, META_PREFIX . 'pledge-confirmed-contributors', $pledge_data['contributors'] );
+	update_post_meta( $pledge_id, META_PREFIX . 'pledge-total-hours', $pledge_data['hours'] );
+}
+
 /**
  * Check that an array contains values for all required keys.
  *