diff --git a/tests/requirements.txt b/tests/requirements.txt
index cc51d4f..ef842e4 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -21,5 +21,5 @@ python-dateutil==2.8.1
 pytz==2021.1
 six==1.16.0
 toml==0.10.2
-urllib3==1.26.6
+urllib3==1.26.18
 wrapt==1.12.1