diff --git a/test-requirements.txt b/test-requirements.txt
index b1c31fd..c9a03d3 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,3 +1,4 @@
 -r requirements.txt
 -e git+https://github.com/edx/xblock-sdk.git@629650ed6fc1b77d1a5287debeace0b29db7c0fd#egg=xblock-sdk
 ddt
+selenium==2.47.3  # 2.48 is not working atm