diff --git a/requirements.txt b/requirements.txt
index d99ab2cd6..259d0f1d6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,4 +37,4 @@ sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.5
 tornado==6.3.3
-urllib3==1.26.17
+urllib3==1.26.18