diff --git a/actions/hls_helloworld_python/sw/requirements.txt b/actions/hls_helloworld_python/sw/requirements.txt
index 30a61769..275a962f 100644
--- a/actions/hls_helloworld_python/sw/requirements.txt
+++ b/actions/hls_helloworld_python/sw/requirements.txt
@@ -49,7 +49,7 @@ Send2Trash==1.5.0
 six==1.14.0
 terminado==0.8.3
 testpath==0.4.4
-tornado==6.3.3
+tornado==6.4.1
 traitlets==4.3.3
 urllib3==1.26.18
 wcwidth==0.1.9