diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 521319f..7358c11 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -51,4 +51,4 @@ jobs:
           isort --check .
 
       - name: Run type-check
-        run: mypy .
+        run: mypy --install-types --non-interactive .
diff --git a/pyproject.toml b/pyproject.toml
index bde45a0..827c703 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,8 +35,8 @@ build-backend = "setuptools.build_meta"
 profile = "black"
 
 [tool.mypy]
-python_version = "3.11"
+python_version = "3.8"
 warn_unused_configs = true
 exclude = [
     "owlbot.py"
-]
\ No newline at end of file
+]