diff --git a/requirements.txt b/requirements.txt
index 2e14609d..410758d9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,4 +23,4 @@ Sphinx==1.3.6
 sphinx-rtd-theme==0.2.4
 sphinxcontrib-serializinghtml==1.1.5
 sphinxcontrib-websupport==1.2.4
-urllib3==2.2.2
+urllib3==2.6.3