diff --git a/lib/src/mime_type_resolver.dart b/lib/src/mime_type_resolver.dart
index 00732168..a01fe4b1 100644
--- a/lib/src/mime_type_resolver.dart
+++ b/lib/src/mime_type_resolver.dart
@@ -580,6 +580,7 @@ class MimeTypeResolver {
     "zirz": "application/vnd.zul",
     "zaz": "application/vnd.zzazz.deck+xml",
     "vxml": "application/voicexml+xml",
+    "wasm": "application/wasm",
     "wgt": "application/widget",
     "hlp": "application/winhlp",
     "wsdl": "application/wsdl+xml",