diff --git a/lib/Plack/MIME.pm b/lib/Plack/MIME.pm
index 0d39351c..23ef2cac 100644
--- a/lib/Plack/MIME.pm
+++ b/lib/Plack/MIME.pm
@@ -178,6 +178,7 @@ our $MIME_TYPES = {
       ".gif"       => "image/gif",
       ".gim"       => "application/vnd.groove-identity-message",
       ".gmx"       => "application/vnd.gmx",
+      ".gpg"       => "application/octet-stream",
       ".gph"       => "application/vnd.flographit",
       ".gqf"       => "application/vnd.grafeq",
       ".gram"      => "application/srgs",
@@ -246,6 +247,7 @@ our $MIME_TYPES = {
       ".jpm"       => "video/jpm",
       ".js"        => "text/javascript",
       ".json"      => "application/json",
+      ".jxl"       => "image/jxl",
       ".karbon"    => "application/vnd.kde.karbon",
       ".kfo"       => "application/vnd.kde.kformula",
       ".kia"       => "application/vnd.kidspiration",
@@ -527,6 +529,7 @@ our $MIME_TYPES = {
       ".t"         => "text/troff",
       ".tao"       => "application/vnd.tao.intent-module-archive",
       ".tar"       => "application/x-tar",
+      ".tar.zst"   => "application/x-zstd-compressed-tar",
       ".tbz"       => "application/x-bzip-compressed-tar",
       ".tcap"      => "application/vnd.3gpp2.tcap",
       ".tcl"       => "application/x-tcl",
@@ -550,6 +553,7 @@ our $MIME_TYPES = {
       ".txd"       => "application/vnd.genomatix.tuxedo",
       ".txf"       => "application/vnd.mobius.txf",
       ".txt"       => "text/plain",
+      ".tzst"      => "application/x-zstd-compressed-tar",
       ".ufd"       => "application/vnd.ufdl",
       ".umj"       => "application/vnd.umajin",
       ".unityweb"  => "application/vnd.unity",
@@ -643,6 +647,8 @@ our $MIME_TYPES = {
       ".zaz"       => "application/vnd.zzazz.deck+xml",
       ".zip"       => "application/zip",
       ".zmm"       => "application/vnd.handheld-entertainment+xml",
+      ".zst"       => "application/zstd",
+      ".zstd"      => "application/zstd"
 };
 
 my $fallback = sub { };