diff --git a/vtr_flow/scripts/download_titan.py b/vtr_flow/scripts/download_titan.py
index 3ed7b3b664f..84e37d4d985 100755
--- a/vtr_flow/scripts/download_titan.py
+++ b/vtr_flow/scripts/download_titan.py
@@ -28,7 +28,7 @@ class ExtractionError(Exception):
     pass
 
 
-TITAN_URL_MIRRORS = {"eecg": "http://www.eecg.utoronto.ca/~vaughn/titan/"}
+TITAN_URL_MIRRORS = {"eecg": "https://www.eecg.utoronto.ca/~vaughn/titan/"}
 
 
 def parse_args():