diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..b14cd96
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,8 @@
+.PHONY: mypy
+
+
+ALL_FILES=$(shell find wally/ -type f -name '*.py')
+STUBS="stubs:.env/lib/python3.5/site-packages"
+
+mypy:
+		bash -c "cd ~/workspace/wally; source .env/bin/activate ; MYPYPATH=${STUBS} python3 -m mypy -s ${ALL_FILES}"