diff --git a/.travis.yml b/.travis.yml
index 14aeb429..8079c4d8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,14 +1,10 @@
 language: c
 sudo: false
 
-addons:
-  # 2.x Selenium WebDriver only works for Firefox <= 47.0.1
-  firefox: "47.0.1"
-
 env:
   global:
     - CONDA_DEPS="numpy pytest"
-    - PIP_DEPS="'selenium<3' pyimgur"
+    - PIP_DEPS="selenium pyimgur"
 
 matrix:
   include:
@@ -31,8 +27,9 @@ install:
   - eval pip install "$PIP_DEPS"
 
 before_script:
-  - wget http://selenium-release.storage.googleapis.com/2.53/selenium-server-standalone-2.53.1.jar
-  - java -jar selenium-server-standalone-2.53.1.jar > /dev/null &
+  - wget https://github.com/mozilla/geckodriver/releases/download/v0.11.1/geckodriver-v0.11.1-linux64.tar.gz
+  - tar -xvzf geckodriver-*.tar.gz
+  - export PATH="$(pwd):$PATH"
   - export DISPLAY=:99.0
   - sh -e /etc/init.d/xvfb start
   - sleep 3  # give xvfb and some time to start
diff --git a/nengo_gui/conftest.py b/nengo_gui/conftest.py
index 01b0ff45..a08265a1 100644
--- a/nengo_gui/conftest.py
+++ b/nengo_gui/conftest.py
@@ -42,7 +42,7 @@ def gui():
 @pytest.yield_fixture(scope="session")
 def driver(gui):
     driver = webdriver.Firefox()
-    driver.get('localhost:{port}/'.format(port=gui.server.server_port))
+    driver.get('http://localhost:{port}/'.format(port=gui.server.server_port))
     driver.maximize_window()
 
     assert driver.title != "Problem loading page"