diff --git a/example.env b/example.env
deleted file mode 100644
index e69de29..0000000
diff --git a/services/treeview/example.env b/services/treeview/example.env
index 67458ff..c0a78fd 100644
--- a/services/treeview/example.env
+++ b/services/treeview/example.env
@@ -1,6 +1,6 @@
 OLFYI_HOST=db.0l.fyi
-OLFYI_PORT=80
+OLFYI_PORT=443
 OLFYI_USERNAME=ol
 OLFYI_PASSWORD=<insert_password>
 OLFYI_DATABASE=olfyi
-DATA_PATH=assets/
\ No newline at end of file
+DATA_PATH=assets/
diff --git a/services/treeview/src/ol_fyi.py b/services/treeview/src/ol_fyi.py
index b10a4a3..c904221 100644
--- a/services/treeview/src/ol_fyi.py
+++ b/services/treeview/src/ol_fyi.py
@@ -19,6 +19,7 @@ def get_address_parent_relations_olfyi():
     client = clickhouse_connect.get_client(
         host = Config.OLFYI_HOST,
         port = Config.OLFYI_PORT,
+        secure = True,
         username = Config.OLFYI_USERNAME,
         password = Config.OLFYI_PASSWORD,
         database = Config.OLFYI_DATABASE