diff --git a/lib/pure/mimetypes.nim b/lib/pure/mimetypes.nim
index ff69ba61e242d..8f5f3a183f33a 100644
--- a/lib/pure/mimetypes.nim
+++ b/lib/pure/mimetypes.nim
@@ -231,6 +231,7 @@ const mimes* = {
     "xcf": "application/x-xcf",
     "fig": "application/x-xfig",
     "xpi": "application/x-xpinstall",
+    "wasm": "application/wasm",
     "amr": "audio/amr",
     "awb": "audio/amr-wb",
     "amr": "audio/amr",