diff --git a/README.md b/README.md
index 4b204f9f..4432de4f 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 **Requires at least:** 4.6  
 **Requires PHP:** 7.1  
 **Tested up to:** 5.3  
-**Stable tag:** 2.1.2  
+**Stable tag:** 2.1.3  
 **License:** GPLv2 or later  
 **License URI:** http://www.gnu.org/licenses/gpl-2.0.html  
 
@@ -166,6 +166,9 @@ To support searching by author name (e.g. where "Pantheon" would return posts au
 
 ## Changelog ##
 
+### 2.1.3 (November 16, 2019) ###
+* Add `solr_power_ajax_search_query_args` filter to modify AJAX search query arguments [[#432](https://github.com/pantheon-systems/solr-power/pull/432)].
+
 ### 2.1.2 (August 28, 2019) ###
 * Adds `solr_is_private_blog` filter to allow control over whether a blog is indexed [[#423](https://github.com/pantheon-systems/solr-power/pull/423)].
 
diff --git a/includes/class-solrpower.php b/includes/class-solrpower.php
index c8fad63c..f603a317 100644
--- a/includes/class-solrpower.php
+++ b/includes/class-solrpower.php
@@ -317,13 +317,13 @@ function ( $url ) {
 		$paged = filter_input( INPUT_GET, 'paged', FILTER_SANITIZE_STRING );
 		$paged = ( false === $paged || null === $paged ) ? 1 : absint( $paged );
 
-		$args = array(
+		$args  = array(
 			's'              => filter_input( INPUT_GET, 's', FILTER_SANITIZE_STRING ),
 			'facets'         => filter_input( INPUT_GET, 'facet', FILTER_SANITIZE_STRING, FILTER_REQUIRE_ARRAY ),
 			'posts_per_page' => get_option( 'posts_per_page' ),
 			'paged'          => $paged,
 		);
-
+		$args  = apply_filters( 'solr_power_ajax_search_query_args', $args );
 		$query = new WP_Query( $args );
 		$query->get_posts();
 
diff --git a/readme.txt b/readme.txt
index bb93272a..867971d2 100644
--- a/readme.txt
+++ b/readme.txt
@@ -4,7 +4,7 @@ Tags: search
 Requires at least: 4.6
 Requires PHP: 7.1
 Tested up to: 5.3
-Stable tag: 2.1.2
+Stable tag: 2.1.3
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 
@@ -166,6 +166,9 @@ To support searching by author name (e.g. where "Pantheon" would return posts au
 
 == Changelog ==
 
+= 2.1.3 (November 16, 2019) =
+* Add `solr_power_ajax_search_query_args` filter to modify AJAX search query arguments [[#432](https://github.com/pantheon-systems/solr-power/pull/432)].
+
 = 2.1.2 (August 28, 2019) =
 * Adds `solr_is_private_blog` filter to allow control over whether a blog is indexed [[#423](https://github.com/pantheon-systems/solr-power/pull/423)].
 
diff --git a/solr-power.php b/solr-power.php
index 8fa9f950..7ab5b388 100644
--- a/solr-power.php
+++ b/solr-power.php
@@ -2,7 +2,7 @@
 /**
  * Plugin Name: Solr Power
  * Description: Allows WordPress sites to index and search content with ApacheSolr.
- * Version: 2.1.2
+ * Version: 2.1.3
  * Author: Pantheon
  * Author URI: http://pantheon.io
  * Text Domain: solr-for-wordpress-on-pantheon
@@ -10,7 +10,7 @@
  * @package Solr_Power
  **/
 
-define( 'SOLR_POWER_VERSION', '2.1.2' );
+define( 'SOLR_POWER_VERSION', '2.1.3' );
 
 /**
  * Copyright (c) 2011-2019 Pantheon, Matt Weber, Solr Power contributors