diff --git a/mypy.ini b/mypy.ini
index ecf0a75..2a001f0 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -1,52 +1,61 @@
 [mypy]
+
+# shared cache directoy, common for all swh-* repositories
 cache_dir = ../.mypy_cache
+
 namespace_packages = True
 warn_unused_ignores = True
 
 
 # 3rd party libraries without stubs (yet)
 
 [mypy-aiohttp_utils.*]
 ignore_missing_imports = True
 
 [mypy-azure.*]
 ignore_missing_imports = True
 
 [mypy-arrow.*]
 ignore_missing_imports = True
 
 [mypy-celery.*]
 ignore_missing_imports = True
 
 [mypy-decorator.*]
 ignore_missing_imports = True
 
 [mypy-deprecated.*]
 ignore_missing_imports = True
 
 [mypy-libcloud.*]
 ignore_missing_imports = True
 
 [mypy-msgpack.*]
 ignore_missing_imports = True
 
 [mypy-pkg_resources.extern.*]
 ignore_missing_imports = True
 
+[mypy-psutil.*]
+ignore_missing_imports = True
+
 [mypy-psycopg2.*]
 ignore_missing_imports = True
 
 [mypy-pyblake2.*]
 ignore_missing_imports = True
 
 [mypy-pytest.*]
 ignore_missing_imports = True
 
 [mypy-rados.*]
 ignore_missing_imports = True
 
 [mypy-request_mock.*]
 ignore_missing_imports = True
 
+[mypy-retrying.*]
+ignore_missing_imports = True
+
 [mypy-systemd.*]
 ignore_missing_imports = True