diff --git a/twine/wheel.py b/twine/wheel.py
index 109de97b..cf90eab7 100644
--- a/twine/wheel.py
+++ b/twine/wheel.py
@@ -86,6 +86,6 @@ def read_file(name: str) -> bytes:
     def parse(self, data: bytes) -> None:
         super().parse(data)
 
-        fp = io.StringIO(distribution.must_decode(data))
+        fp = io.StringIO(data.decode("utf-8", errors="replace"))
         msg = distribution.parse(fp)
         self.description = msg.get_payload()