diff --git a/docs/requirements.txt b/docs/requirements.txt
index ba6fda4..5176e19 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -40,5 +40,5 @@ sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.4
 toml==0.10.1
-urllib3==1.25.9
+urllib3==1.26.5
 webencodings==0.5.1