diff --git a/requirements.txt b/requirements.txt
index 6767806..8ba087a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,4 +18,4 @@ Sphinx==1.8.5
 sphinx-rtd-theme==0.4.3
 sphinxcontrib-websupport==1.1.0
 typing==3.6.6
-urllib3==1.24.1
+urllib3==1.26.5