diff --git a/Projects/Personal to do task app/requirements.txt b/Projects/Personal to do task app/requirements.txt
index 3a5c3ff..296726d 100644
--- a/Projects/Personal to do task app/requirements.txt	
+++ b/Projects/Personal to do task app/requirements.txt	
@@ -3,3 +3,4 @@ pandas==1.1.3
 streamlit==1.11.1
 
 numpy>=1.22.2 # not directly required, pinned by Snyk to avoid a vulnerability
+tornado>=6.4.1 # not directly required, pinned by Snyk to avoid a vulnerability