diff --git a/ext/requirements-dev.txt b/ext/requirements-dev.txt
index e1c2b878..7d8c92a8 100644
--- a/ext/requirements-dev.txt
+++ b/ext/requirements-dev.txt
@@ -3,4 +3,4 @@ requests ~= 2.30.0
 coverage >= 6.3.1
 codecov >= 2.1.12
 webdriver_manager ~= 3.8.6
-selenium ~= 4.9.1
+selenium ~= 4.21.0