diff --git a/test/pagespeed_test.conf.template b/test/pagespeed_test.conf.template
index e579589..6f89e8d 100644
--- a/test/pagespeed_test.conf.template
+++ b/test/pagespeed_test.conf.template
@@ -1786,6 +1786,25 @@
     pagespeed CriticalImagesBeaconEnabled false;
   }
   server {
+    pagespeed on;
+    listen @@SECONDARY_PORT@@;
+    listen [::]:@@SECONDARY_PORT@@;
+    server_name image-rewrite-with-flush.example.com;
+    pagespeed FileCachePath "@@FILE_CACHE@@";
+    pagespeed RewriteLevel PassThrough;
+    pagespeed UrlValuedAttribute li data-thumb image;
+    pagespeed EnableFilters core;
+    location ~ \.php$ {
+      fastcgi_param SCRIPT_FILENAME $request_filename;
+      fastcgi_param QUERY_STRING $query_string;
+      fastcgi_param REQUEST_METHOD $request_method;
+      fastcgi_param CONTENT_TYPE $content_type;
+      fastcgi_param CONTENT_LENGTH $content_length;
+      fastcgi_pass 127.0.0.1:9000;
+      fastcgi_buffering off;
+    }
+  }
+  server {
     listen @@PRIMARY_PORT@@;
     listen [::]:@@PRIMARY_PORT@@;
     server_name  localhost;
diff --git a/testing-dependencies/mod_pagespeed b/testing-dependencies/mod_pagespeed
index a41cdab..0d9cf29 160000
--- a/testing-dependencies/mod_pagespeed
+++ b/testing-dependencies/mod_pagespeed
@@ -1 +1 @@
-Subproject commit a41cdab05eea514ac9f405fb32bd8e24ff9f0614
+Subproject commit 0d9cf2928a3fa67f03e74c037c05103e10069e03