diff --git a/h5bp/location/web_performance_filename-based_cache_busting.conf b/h5bp/location/web_performance_filename-based_cache_busting.conf
index b788e8f9..cb9274f1 100644
--- a/h5bp/location/web_performance_filename-based_cache_busting.conf
+++ b/h5bp/location/web_performance_filename-based_cache_busting.conf
@@ -9,6 +9,6 @@
 # something like `*.css?v231`, please see:
 # https://www.stevesouders.com/blog/2008/08/23/revving-filenames-dont-use-querystring/
 
-location ~* (.+)\.(?:\w+)\.(avifs?|bmp|css|cur|gif|ico|jpe?g|m?js|a?png|svgz?|webp|webmanifest)$ {
+location ~* (.+)\.(?:\w+)\.(avifs?|bmp|css|cur|gif|ico|jpe?g|jxl|m?js|a?png|svgz?|webp|webmanifest)$ {
   try_files $uri $1.$2;
 }
diff --git a/mime.types b/mime.types
index 52cd5e14..bf2e89fb 100644
--- a/mime.types
+++ b/mime.types
@@ -45,6 +45,7 @@ types {
     image/bmp                             bmp;
     image/gif                             gif;
     image/jpeg                            jpeg jpg;
+    image/jxl                             jxl;
     image/jxr                             jxr hdp wdp;
     image/png                             png;
     image/svg+xml                         svg svgz;