diff --git a/update_unstable.py b/update_unstable.py
index 6377fa7..e3e1010 100755
--- a/update_unstable.py
+++ b/update_unstable.py
@@ -1,16 +1,22 @@
 #!/usr/bin/env python3
+# SPDX-FileCopyrightText: 2021 Luca Beltrame <lbeltrame@kde.org>
+# SPDX-License-Identifier: BSD-3-clause
 
 import argparse
-import csv
 import logging
 import json
 from pathlib import Path
 import pickle
+from urllib.parse import urlencode
 
 import git
+import requests
 import sarge
 
 
+API_URL = "https://invent.kde.org/api/v4/projects/"
+
+
 class GitHashCache:
 
     def __init__(self, cache_file):
@@ -51,6 +57,16 @@ class GitHashCache:
             json.dump(self._data, handle, indent=4)
 
 
+def project_exists(project):
+    project_name = urlencode(project)
+    request = requests.get(API_URL + project_name)
+
+    if request.status_code == requests.status_codes.codes.ok:
+        return True
+
+    return False
+
+
 def lsremote(url):
 
     remote_refs = {}
@@ -91,6 +107,10 @@ def update_package(hash_data, package_name, remote_name, obs_repository,
 
     repo_name = "https://invent.kde.org/{}".format(remote_name)
 
+    if not project_exists(remote_name):
+        logging.warn("Repository {} not found, skipping".format(remote_name))
+        return
+
     remote_hash = get_remote_hash(repo_name, branch)
     repo_hashes = hash_data.get(obs_repository)