diff --git a/wp-admin/includes/class-wp-themes-list-table.php b/wp-admin/includes/class-wp-themes-list-table.php
index 233dc8c6d5..590c242cb7 100644
--- a/wp-admin/includes/class-wp-themes-list-table.php
+++ b/wp-admin/includes/class-wp-themes-list-table.php
@@ -247,12 +247,12 @@ class WP_Themes_List_Table extends WP_List_Table {
 
 			<span class="screenshot hide-if-customize">
 				<?php if ( $screenshot ) : ?>
-					<img src="<?php echo esc_url( $screenshot ); ?>" alt="" />
+					<img src="<?php echo esc_url( $screenshot . '?ver=' . $theme->version ); ?>" alt="" />
 				<?php endif; ?>
 			</span>
 			<a href="<?php echo wp_customize_url( $stylesheet ); ?>" class="screenshot load-customize hide-if-no-customize">
 				<?php if ( $screenshot ) : ?>
-					<img src="<?php echo esc_url( $screenshot ); ?>" alt="" />
+					<img src="<?php echo esc_url( $screenshot . '?ver=' . $theme->version ); ?>" alt="" />
 				<?php endif; ?>
 			</a>
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 38bc5be131..5cdd6b6eab 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.0-alpha-52947';
+$wp_version = '6.0-alpha-52948';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.