diff --git a/requirements-test.txt b/requirements-test.txt
index c07176d..d4bfc7f 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1,3 +1,7 @@
 pytest
 requests  # workaround for https://forge.softwareheritage.org/T2634
 requests-mock
+
+types-python-dateutil
+types-pyyaml
+types-requests
diff --git a/requirements.txt b/requirements.txt
index 19b23bf..0f7d878 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
-PyYAML
+pyyaml
 aiosqlite
 psutil
 pyfuse3
 python-daemon
 requests
diff --git a/swh/__init__.py b/swh/__init__.py
index e780381..8d9f151 100644
--- a/swh/__init__.py
+++ b/swh/__init__.py
@@ -1,4 +1,4 @@
 from pkgutil import extend_path
-from typing import Iterable
+from typing import List
 
-__path__: Iterable[str] = extend_path(__path__, __name__)
+__path__: List[str] = extend_path(__path__, __name__)