diff --git a/test/requirements.txt b/test/requirements.txt
index 68b0fb4854..23a12ab7cc 100644
--- a/test/requirements.txt
+++ b/test/requirements.txt
@@ -56,5 +56,5 @@ stack-data==0.6.2
 tftest==1.8.4
 traitlets==5.9.0; python_version >= '3.7'
 uritemplate==4.1.1; python_version >= '3.6'
-urllib3==1.26.16; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4, 3.5'
+urllib3==1.26.18; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4, 3.5'
 wcwidth==0.2.6