diff --git a/scripts/release.py b/scripts/release.py
index 7de82d0..8e9a1c1 100755
--- a/scripts/release.py
+++ b/scripts/release.py
@@ -74,7 +74,7 @@ def load_token() -> str:
 # MediaHive-win64-portable.zip) so /releases/download/latest/<name> links
 # stay valid. The version comes from setuptools_scm instead.
 _ARTIFACT_RE = re.compile(
-    r"^MediaHive-(?!\d)[A-Za-z0-9._-]+\.(?:zip|dmg|exe|pkg|AppImage)$"
+    r"^MediaHive-(?!\d)[A-Za-z0-9._-]+\.(?:zip|exe|pkg|AppImage)$"
 )
 
 
@@ -212,7 +212,6 @@ def upload_asset(
     size_mb = path.stat().st_size / (1024 * 1024)
     mime = {
         ".zip": "application/zip",
-        ".dmg": "application/x-apple-diskimage",
     }.get(path.suffix, "application/octet-stream")
     print(f"Uploading {path.name} ({size_mb:.1f} MB) ...")
     with Path(path).open("rb") as fh: