diff --git a/docs/requirements.txt b/docs/requirements.txt
index 108ed50..c14e27f 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -28,5 +28,5 @@ sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.4
 sphinxcontrib-osexample==0.1.1
-urllib3==1.26.5
+urllib3==1.26.18
 webcolors==1.11.1