diff --git a/requirements.txt b/requirements.txt
index f8b347e928c01970139bbb6f4a855e521381bf55..e44a1cba14ed7cb266543da35afc2c910d265ad7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,7 +34,7 @@ sphinxcontrib-qthelp==1.0.2
 sphinxcontrib-serializinghtml==1.1.3
 toml==0.10.0
 tox==3.12.1
-urllib3==1.25.3
+urllib3==1.26.5
 virtualenv==16.6.0
 wcwidth==0.1.7
 zipp==0.5.1