diff --git a/docsrc/requirements.txt b/docsrc/requirements.txt
index 34762c9..6846fbd 100644
--- a/docsrc/requirements.txt
+++ b/docsrc/requirements.txt
@@ -24,4 +24,4 @@ sphinxcontrib-htmlhelp==1.0.2
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.2
 sphinxcontrib-serializinghtml==1.1.3
-urllib3==1.26.18
+urllib3==1.26.19