diff --git a/themes/jquery/functions.jquery.php b/themes/jquery/functions.jquery.php
index e6e58389..81ab6036 100644
--- a/themes/jquery/functions.jquery.php
+++ b/themes/jquery/functions.jquery.php
@@ -185,12 +185,19 @@ function jq_search_get_provider() {
 }
 
 /**
- * Get a checksum of styles used in the header
+ * Try to append a "?v=" cache buster to a static CSS or JS file URI.
  */
-function jq_css_checksum() {
-	$base = get_template_directory() . '/css/base.css';
-	$typesense = get_template_directory() . '/lib/typesense-minibar/typesense-minibar.css';
-	$styles = get_stylesheet_directory() . '/style.css';
+function jq_url_append_version( $uri ) {
+	foreach ( [
+		get_stylesheet_directory_uri() => get_stylesheet_directory(),
+		get_template_directory_uri() => get_template_directory(),
+	] as $uriPrefix => $directory ) {
+		if ( str_starts_with( $uri, $uriPrefix ) ) {
+			$filepath = strtr( $uri, [ $uriPrefix => $directory ] );
+			return $uri . '?v=' . substr( @md5_file( $filepath ) ?: '', 0, 8 );
+		}
+	}
 
-	return md5( filemtime( $base ) . filemtime( $typesense ) . filemtime( $styles ) );
+	// Unchanged
+	return $uri;
 }
diff --git a/themes/jquery/header.php b/themes/jquery/header.php
index fe13e34f..7a34dadc 100755
--- a/themes/jquery/header.php
+++ b/themes/jquery/header.php
@@ -17,16 +17,16 @@
 	<meta name="viewport" content="width=device-width">
 
 	<link rel="shortcut icon" href="<?php echo get_stylesheet_directory_uri(); ?>/i/favicon.ico">
-	<link rel="stylesheet" href="<?php echo get_template_directory_uri(); ?>/lib/typesense-minibar/typesense-minibar.css?v=<?php echo jq_css_checksum(); ?>">
-	<link rel="stylesheet" href="<?php echo get_template_directory_uri(); ?>/css/base.css?v=<?php echo jq_css_checksum(); ?>">
-	<link rel="stylesheet" href="<?php bloginfo( 'stylesheet_url' ); ?>?v=<?php echo jq_css_checksum(); ?>">
+	<link rel="stylesheet" href="<?php echo jq_url_append_version( get_template_directory_uri() . '/lib/typesense-minibar/typesense-minibar.css' ); ?>">
+	<link rel="stylesheet" href="<?php echo jq_url_append_version( get_template_directory_uri() . '/css/base.css' ); ?>">
+	<link rel="stylesheet" href="<?php echo jq_url_append_version( get_bloginfo( 'stylesheet_url' ) ); ?>">
 
 	<script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
-	<script src="<?php echo get_template_directory_uri(); ?>/js/main.js"></script>
+	<script src="<?php echo jq_url_append_version( get_template_directory_uri() . '/js/main.js' ); ?>"></script>
 <?php
 	if ( jq_search_get_provider() === 'typesense' ) :
 ?>
-	<script defer type="module" src="<?php echo get_template_directory_uri(); ?>/lib/typesense-minibar/typesense-minibar.js?v=<?php echo jq_css_checksum(); ?>"></script>
+	<script defer type="module" src="<?php echo jq_url_append_version( get_template_directory_uri() . '/lib/typesense-minibar/typesense-minibar.js' ); ?>"></script>
 <?php
 	endif;