diff --git a/http.go b/http.go
index b2b0e6b..ed80825 100644
--- a/http.go
+++ b/http.go
@@ -232,6 +232,7 @@ var mimeExtensions = map[string]string{
 	"xhtml":   "application/xhtml+xml",
 	"xspf":    "application/xspf+xml",
 	"zip":     "application/zip",
+	"zst":     "application/zstd",
 	"bin":     "application/octet-stream",
 	"exe":     "application/octet-stream",
 	"dll":     "application/octet-stream",
diff --git a/http_test.go b/http_test.go
index d826bfc..5526fee 100644
--- a/http_test.go
+++ b/http_test.go
@@ -26,6 +26,12 @@ func Test_GetMIME(t *testing.T) {
 	res = GetMIME("unknown")
 	require.Equal(t, MIMEOctetStream, res)
 
+	res := GetMIME(".zst")
+	require.Equal(t, "application/zstd", res)
+
+	res := GetMIME("zst")
+	require.Equal(t, "application/zstd", res)
+
 	// empty case
 	res = GetMIME("")
 	require.Equal(t, "", res)