diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cec4b98333bb59261df4478660703dd4fd304df6..af71d924f1056347e767feed1b55d6227e12967a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -33,5 +33,6 @@ Flake8/Pylint/mypy-test-job:   # Test Stage
     - pip install -e .
     - flake8 --docstring-convention google tsg/ tests/
     - pylint tsg/ tests/
+    - mypy --install-types
     - mypy tsg/ tests/
     - echo "Linters successfully deployed."