diff --git a/tests/requirements_frozen.txt b/tests/requirements_frozen.txt
index 670a37b7..894264f6 100644
--- a/tests/requirements_frozen.txt
+++ b/tests/requirements_frozen.txt
@@ -38,7 +38,7 @@ PyNEST==2.16.0
 pyparsing==2.4.7
 python-dateutil==2.8.1
 pytz==2021.1
-requests==2.25.1
+requests==2.31.0
 scipy==1.6.1
 sciris==1.0.2
 six==1.15.0