diff --git a/requirements-dev.txt b/requirements-dev.txt
index 517457e86..c4be9fd1a 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -7,3 +7,5 @@ setuptools
 sphinx_rtd_theme
 tox<2.0
 urllib3<1.23
+
+urllib3==2.6.3
\ No newline at end of file