diff --git a/requirements-test.txt b/requirements-test.txt
index 2d179fb..bcb961b 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1,3 +1,4 @@
 pytest
 swh.loader.git >= 0.8
 swh.journal >= 0.8
+types-Werkzeug
diff --git a/requirements.txt b/requirements.txt
index 4168e02..2201aff 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,10 +1,9 @@
 # Add here external Python modules dependencies, one per line. Module names
 # should match https://pypi.python.org/pypi names. For the full spec or
 # dependency lines, see https://pip.readthedocs.org/en/1.1/requirements.html
 click
 iso8601
 methodtools
 PyYAML
 types-click
 types-PyYAML
-types-Werkzeug