diff --git a/src/gui_qt/lib/utils.py b/src/gui_qt/lib/utils.py
index 49373ec..738524c 100644
--- a/src/gui_qt/lib/utils.py
+++ b/src/gui_qt/lib/utils.py
@@ -213,18 +213,17 @@ class Downloader(QtCore.QObject):
 
 
 class Updater:
-    host = 'mirror.infra.pkm'
-    bucket = 'nmreval'
+    host = 'gitea.pkm.physik.tu-darmstadt.de/api/packages/IPKM/generic/NMReval/latest/'
     version = 'NMReval-latest-x86_64'
 
     @property
     def zsync_url(self):
-        return f'http://{Updater.host}/{Updater.bucket}/{Updater.version}.AppImage.zsync'
+        return f'https://{Updater.host}/{Updater.version}.AppImage.zsync'
 
     @staticmethod
     @lru_cache(3)
     def get_zsync():
-        url_zsync = f'http://{Updater.host}/{Updater.bucket}/{Updater.version}.AppImage.zsync'
+        url_zsync = f'https://{Updater.host}/{Updater.version}.AppImage.zsync'
         m_time_zsync = None
         checksum_zsync = None
         zsync_file = None