diff --git a/.travis.yml b/.travis.yml
index c9a0f4e02..4a320e385 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,12 +23,12 @@ before_install:
 install:
 # Python
 - pip install pipenv
-# Install requirements as they are needed by UT's
+# Install island and monkey requirements as they are needed by UT's
 - pushd monkey/monkey_island
-- pipenv install
+- pipenv sync  # This installs dependencies from lock
 - popd
 - pushd monkey/infection_monkey
-- pipenv install
+- pipenv sync  # This installs dependencies from lock
 - popd
 - pipenv install black==20.8b1 flake8==3.9.0 pytest pytest-cov isort==5.8.0 # for next stages
 - pipenv install coverage  # for code coverage