diff --git a/main.py b/main.py
index 5ec3219..57ddf74 100644
--- a/main.py
+++ b/main.py
@@ -21,7 +21,7 @@ def lonlattowebmercator(df, lon="LON", lat="LAT"):
 def getPositions():
     ## Get the live locations of the vehicles
     feed = gtfs_realtime_pb2.FeedMessage()
-    response = requests.get('https://gtfs.ovapi.nl/nl/vehiclePositions.pb')
+    response = requests.get('http://gtfs.ovapi.nl/nl/vehiclePositions.pb')
     feed.ParseFromString(response.content)
     vehicle_positions = []
 
diff --git a/requirements.txt b/requirements.txt
index 6a8b11d..582ac1f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ charset-normalizer==2.1.0
 click==8.1.3
 click-plugins==1.1.1
 cligj==0.7.2
-Fiona==1.8.21
+Fiona==1.9.3
 gtfs-realtime-bindings==0.0.7
 idna==3.3
 Jinja2==3.1.2