diff --git a/requirements.txt b/requirements.txt
index efba460..bcafb9e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,4 +35,4 @@ sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.2
 sphinxcontrib-serializinghtml==1.1.3
 toml==0.10.0
-urllib3==1.25.3
+urllib3==1.26.5