diff --git a/wp-includes/capabilities.php b/wp-includes/capabilities.php
index d1f4419dde..6a03b8a551 100644
--- a/wp-includes/capabilities.php
+++ b/wp-includes/capabilities.php
@@ -840,6 +840,16 @@ class WP_User {
 		update_user_meta( $this->ID, $this->cap_key, $this->caps );
 		$this->get_role_caps();
 		$this->update_user_level_from_caps();
+
+		/**
+		 * Fires immediately after the user has been given a new role.
+		 *
+		 * @since 4.3.0
+		 *
+		 * @param int    $user_id The user ID.
+		 * @param string $role    The new role.
+		 */
+		do_action( 'add_user_role', $this->ID, $role );
 	}
 
 	/**
@@ -857,6 +867,16 @@ class WP_User {
 		update_user_meta( $this->ID, $this->cap_key, $this->caps );
 		$this->get_role_caps();
 		$this->update_user_level_from_caps();
+
+		/**
+		 * Fires immediately after a role as been removed from a user.
+		 *
+		 * @since 4.3.0
+		 *
+		 * @param int    $user_id The user ID.
+		 * @param string $role    The removed role.
+		 */
+		do_action( 'remove_user_role', $this->ID, $role );
 	}
 
 	/**
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 6bfa015477..9cd7bccd8f 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.3-alpha-32770';
+$wp_version = '4.3-alpha-32771';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.