diff --git a/docs/requirements.txt b/docs/requirements.txt
index 06dc282..e84c5e3 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -27,5 +27,5 @@ sphinxcontrib-htmlhelp==1.0.3
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.4
-urllib3==1.25.9
+urllib3==1.26.5
 zipp==3.1.0