diff --git a/gldns-zones-updater.py b/gldns-zones-updater.py
index db22841..c6ab825 100644
--- a/gldns-zones-updater.py
+++ b/gldns-zones-updater.py
@@ -56,7 +56,7 @@ def update_dns_zone(domain, apikey, config_data):
 
 def parse_config_file(config_file):
     yaml_file = open(config_file, 'r')
-    yaml_content = yaml.load(yaml_file)
+    yaml_content = yaml.load(yaml_file, Loader=yaml.FullLoader)
 
     for key in yaml_content:
         domain = key