diff --git a/requirements.txt b/requirements.txt
index 70e95fd6..d1237046 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ sphinxcontrib-qthelp==1.0.2
 sphinxcontrib-serializinghtml==1.1.3
 toml==0.10.0
 tox==3.13.2
-urllib3==1.25.3
+urllib3==1.25.8
 virtualenv==16.7.2
 Werkzeug==0.15.5
 zipp==0.5.2