diff --git a/.github/workflows/pylint.yml b/.github/workflows/pylint.yml
index e26086b..c643602 100644
--- a/.github/workflows/pylint.yml
+++ b/.github/workflows/pylint.yml
@@ -32,3 +32,8 @@ jobs:
     - name: Test with pylint
       run: |
         poetry run pylint asfpy/*.py test/*.py
+    - name: Test with mypy
+      if: always()
+      run: |
+        poetry run python -m pip install types-PyYAML types-requests
+        poetry run mypy --ignore-missing-imports . # recursive by default
diff --git a/pyproject.toml b/pyproject.toml
index fffcb80..3968ca4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,6 +30,7 @@ build-backend = "poetry.core.masonry.api"
 [tool.poetry.group.dev.dependencies]
 pytest = "*"
 pylint = "*"
+mypy = "*"
 
 [tool.poetry.extras]
 ldap = ["python-ldap", "passlib"]