diff --git a/MimeTypeMap.cs b/MimeTypeMap.cs
index e2ddc7a..f2c8f94 100644
--- a/MimeTypeMap.cs
+++ b/MimeTypeMap.cs
@@ -539,6 +539,7 @@ private static IDictionary<string, string> BuildMappings()
                 {".tlh", "text/plain"},
                 {".tli", "text/plain"},
                 {".toc", "application/octet-stream"},
+                {".toml", "application/toml"},
                 {".tr", "application/x-troff"},
                 {".trm", "application/x-msterminal"},
                 {".trx", "application/xml"},