diff --git a/.travis.yml b/.travis.yml
index d275b8e80..ba2e7e3c1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,10 +12,14 @@ python:
 os: linux
 
 install:
+# Python
 - pip install -r monkey/monkey_island/requirements.txt  # for unit tests
 - pip install flake8 pytest dlint  # for next stages
 - pip install -r monkey/infection_monkey/requirements_linux.txt  # for unit tests
 
+# JS
+- npm i -g eslint
+
 before_script:
 # Set the server config to `testing`, for the UTs to use mongomaock and pass.
 - python monkey/monkey_island/cc/set_server_config.py testing