diff --git a/requirements/py27-tests.txt b/requirements/py27-tests.txt
index 40ed518..d242615 100644
--- a/requirements/py27-tests.txt
+++ b/requirements/py27-tests.txt
@@ -4,4 +4,4 @@ pytest==3.4.0
 pytest-metadata==1.5.1
 pytest-selenium==1.11.4
 pytest-xdist==1.22.0
-selenium==3.8.1
+selenium==3.9.0
diff --git a/requirements/py36-tests.txt b/requirements/py36-tests.txt
index 5141603..434b715 100644
--- a/requirements/py36-tests.txt
+++ b/requirements/py36-tests.txt
@@ -3,4 +3,4 @@ pytest==3.4.0
 pytest-metadata==1.5.1
 pytest-selenium==1.11.4
 pytest-xdist==1.22.0
-selenium==3.8.1
+selenium==3.9.0