diff --git a/docs/requirements.txt b/docs/requirements.txt
index 63480293..664c582d 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -25,7 +25,7 @@ sphinxcontrib-htmlhelp==1.0.2
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.2
 sphinxcontrib-serializinghtml==1.1.3
-urllib3==1.25.3
+urllib3==1.25.8
 sphinx-markdown-tables==0.0.9
 numpy==1.17.2
 tensorflow==2.0.0rc2