diff --git a/test_requirements.txt b/test_requirements.txt
index d151292b..d7911ad8 100644
--- a/test_requirements.txt
+++ b/test_requirements.txt
@@ -9,6 +9,6 @@ needle>=0.5.0,<1.0.0
 nose>=1.3.7,<2.0.0
 pycodestyle==2.6.0
 pydocstyle==5.1.1
-selenium>=3.3.3,<4.0
+selenium==4.27.1
 
 -e git+https://github.com/edx/xblock-sdk.git@0.3.0#egg=xblock-sdk