diff --git a/roles/HSLinUCB/files/simulation/requirements.txt b/roles/HSLinUCB/files/simulation/requirements.txt
index 2be3309..59d57c2 100644
--- a/roles/HSLinUCB/files/simulation/requirements.txt
+++ b/roles/HSLinUCB/files/simulation/requirements.txt
@@ -15,7 +15,7 @@ notebook==6.4.10
 numpy==1.21.0
 pandas==0.25.1
 pickleshare==0.7.5
-requests==2.22.0
+requests==2.31.0
 scipy==1.4.1
 sdnotify==0.3.2
 seaborn==0.9.0