diff --git a/requirements-db.txt b/requirements-db.txt
--- a/requirements-db.txt
+++ b/requirements-db.txt
@@ -1,2 +1,3 @@
 # requirements for swh.core.db
 psycopg2
+typing-extensions
diff --git a/requirements-test-db.txt b/requirements-test-db.txt
--- a/requirements-test-db.txt
+++ b/requirements-test-db.txt
@@ -1,2 +1 @@
 pytest-postgresql
-typing-extensions