diff --git a/contrib/libcbor/doc/source/requirements.txt b/contrib/libcbor/doc/source/requirements.txt
index 2e5f9811b37..8e17462d518 100644
--- a/contrib/libcbor/doc/source/requirements.txt
+++ b/contrib/libcbor/doc/source/requirements.txt
@@ -27,5 +27,5 @@ sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.5
 tornado==6.3.3
-urllib3==1.26.9
+urllib3==1.26.17
 zipp==3.7.0