diff --git a/app.py b/app.py
index 768e80e..9b011a1 100755
--- a/app.py
+++ b/app.py
@@ -26,7 +26,7 @@
 gerrit = GerritServer(app.config['GERRIT_URL'])
 
 extras_data = json.loads(open(app.config['EXTRAS_BLOB'], "r").read())
-
+blacklist = json.loads(open(app.config['BLACKLIST'], 'r').read())
 ##########################
 # Metrics!
 ##########################
@@ -151,6 +151,8 @@ def get_device_version(device):
 #cached via memoize on get_build_types
 def index(device, romtype, incrementalversion):
     #pylint: disable=unused-argument
+    if incrementalversion in blacklist:
+        return jsonify({'response': []})
     after = request.args.get("after")
     version = request.args.get("version")
 
diff --git a/blacklist.json b/blacklist.json
new file mode 100644
index 0000000..fe51488
--- /dev/null
+++ b/blacklist.json
@@ -0,0 +1 @@
+[]
diff --git a/config.py b/config.py
index 0e5a393..e212e37 100644
--- a/config.py
+++ b/config.py
@@ -12,3 +12,4 @@ class Config(object):
     UPSTREAM_URL = os.environ.get('UPSTREAM_URL', '')
     DOWNLOAD_BASE_URL = os.environ.get('DOWNLOAD_BASE_URL', 'https://mirrorbits.lineageos.org')
     EXTRAS_BLOB = os.environ.get('EXTRAS_BLOB', 'extras.json')
+    BLACKLIST = os.environ.get('BLACKLIST', 'blacklist.json')