diff --git a/nvchecker_source/sparkle.py b/nvchecker_source/sparkle.py
index 33bd61f..c4dbed5 100644
--- a/nvchecker_source/sparkle.py
+++ b/nvchecker_source/sparkle.py
@@ -6,13 +6,32 @@ from xml.etree import ElementTree
 
 from nvchecker.api import session
 
+NAMESPACE = "http://www.andymatuschak.org/xml-namespaces/sparkle"
+
+
 async def get_version(name, conf, *, cache, **kwargs):
-  sparkle = conf['sparkle']
-  return await cache.get(sparkle, get_version_impl)
+    sparkle = conf["sparkle"]
+    return await cache.get(sparkle, get_version_impl)
+
 
 async def get_version_impl(sparkle):
-  res = await session.get(sparkle)
-  root = ElementTree.fromstring(res.body)
-  version = root.find('./channel/item[1]/{http://www.andymatuschak.org/xml-namespaces/sparkle}version')
+    res = await session.get(sparkle)
+    root = ElementTree.fromstring(res.body)
+    item = root.find("./channel/item[1]/enclosure")
 
-  return version.text
+    version_string = item.get(f"{{{NAMESPACE}}}shortVersionString")
+    build_number = item.get(f"{{{NAMESPACE}}}version")
+
+    if (version_string and version_string.isdigit()) and (
+        build_number and not build_number.isdigit()
+    ):
+        version_string, build_number = build_number, version_string
+
+    version = []
+
+    if version_string:
+        version.append(version_string)
+    if build_number and (build_number not in version):
+        version.append(build_number)
+
+    return "-".join(version) if version else None