diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 00000000..3c3855b5
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,25 @@
+sudo: false
+dist: trusty
+language: python
+python:
+  - "3.6"
+  - "2.7"
+env:
+  global:
+    - PYPI_VENDOR_DIR='./tests/pypi/'
+    - GIT_ASK_YESNO='false'
+    - PYTHONIOENCODING='utf-8'
+  matrix:
+    - TEST_SUITE='not install'
+    - TEST_SUITE='install'
+      PYTEST_ADDOPTS='--cache-clear'
+
+install:
+  - "pip install --upgrade pip"
+  - "pip install -e . --upgrade --upgrade-strategy=only-if-needed"
+  - "pipenv install --dev"
+  - 'pip install -e "$(pwd)" --upgrade'
+  - 'pipenv install --system --dev'
+
+script:
+  - 'pipenv run time pytest -v -n 4 -m "$TEST_SUITE" tests'
diff --git a/pipenv/patched/notpip/_vendor/__init__.py b/pipenv/patched/notpip/_vendor/__init__.py
index 774f1bf3..40ce7a01 100644
--- a/pipenv/patched/notpip/_vendor/__init__.py
+++ b/pipenv/patched/notpip/_vendor/__init__.py
@@ -107,3 +107,5 @@ if DEBUNDLED:
     vendored("requests.packages.urllib3.util.ssl_")
     vendored("requests.packages.urllib3.util.timeout")
     vendored("requests.packages.urllib3.util.url")
+
+import requests
diff --git a/tasks/vendoring/patches/patched/piptools.patch b/tasks/vendoring/patches/patched/piptools.patch
index 60ba96fd..9a50ffe7 100644
--- a/tasks/vendoring/patches/patched/piptools.patch
+++ b/tasks/vendoring/patches/patched/piptools.patch
@@ -519,3 +519,13 @@ index 674674a..4259028 100644
      PyPI,
 +    SafeFileCache,
  )
+diff --git a/pipenv/patched/pip/_vendor/__init__.py b/pipenv/patched/pip/_vendor/__init__.py
+index 774f1bf3..40ce7a01 100644
+--- a/pipenv/patched/pip/_vendor/__init__.py
++++ b/pipenv/patched/pip/_vendor/__init__.py
+@@ -107,3 +107,5 @@ if DEBUNDLED:
+     vendored("requests.packages.urllib3.util.ssl_")
+     vendored("requests.packages.urllib3.util.timeout")
+     vendored("requests.packages.urllib3.util.url")
++
++import requests