diff --git a/requirements.txt b/requirements.txt
index 773415ab..200365d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,4 +16,4 @@ ray==1.6.0
 redis==3.5.3; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
 requests==2.26.0
 six==1.16.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
-urllib3==1.26.7; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'
+urllib3==1.26.18; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'