diff --git a/requirements.txt b/requirements.txt
index 9623fb4..86fba3e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ requests==2.23.0
 simplejson==3.13.2
 six==1.11.0
 spectra==0.0.11
-urllib3==1.25.9
+urllib3==1.26.5
 Werkzeug==1.0.1
 zope.event==4.4
 zope.interface==5.1.0