diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..6c8ef77
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,14 @@
+language: python
+dist: xenial
+
+python: 3.7.3
+
+cache:
+  directories:
+    - $HOME/.cache/pip
+
+install:
+  - pip install -r dev-requirements.txt
+
+script:
+  - black --check crab.py router.py
diff --git a/dev-requirements.txt b/dev-requirements.txt
new file mode 100644
index 0000000..539c25c
--- /dev/null
+++ b/dev-requirements.txt
@@ -0,0 +1,3 @@
+black==19.3b0
+
+-r requirements.txt