diff --git a/requirements.txt b/requirements.txt
index cf9f10b..ba9bfdd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,4 +32,4 @@ sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.7
 sphinxcontrib-serializinghtml==1.1.10
 tornado==6.4
-urllib3==2.1.0
+urllib3==2.2.2