diff --git a/tox.ini b/tox.ini
index edfece597..aa70cf3b3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,10 +1,12 @@
 [tox]
 skipsdist = True
-envlist = py37-lint
+envlist = py37-lint, py37-mypy
 
 [testenv]
 deps =
   py37-lint: pylint
+  py37-mypy: mypy
 
 commands =
-  py37-lint: pylint opentelemetry-api/opentelemetry/trace/
+  py37-lint: pylint opentelemetry-api/opentelemetry/
+  py37-mypy: mypy opentelemetry-api/opentelemetry/