diff --git a/debian/tests/control b/debian/tests/control
index 810fa0c93..0b696e5b1 100644
--- a/debian/tests/control
+++ b/debian/tests/control
@@ -14,4 +14,4 @@ Restrictions: needs-root
 # Run unit and integration tests on installed files.
 #
 Test-Command: PYTHONPATH='/usr/lib/python3/dist-packages/plinth/' py.test-3 -p no:cacheprovider --cov=plinth --cov-report=html:debci/htmlcov --cov-report=term
-Depends: git, python3-pytest, python3-pytest-cov, python3-pytest-django, @
+Depends: git, python3-openssl, python3-pytest, python3-pytest-cov, python3-pytest-django, @