diff --git a/monkey/tests/unit_tests/monkey_island/cc/server_utils/encryption/test_repository_encryptor.py b/monkey/tests/unit_tests/monkey_island/cc/server_utils/encryption/test_repository_encryptor.py
index 0dcb7cdcf..2555d733a 100644
--- a/monkey/tests/unit_tests/monkey_island/cc/server_utils/encryption/test_repository_encryptor.py
+++ b/monkey/tests/unit_tests/monkey_island/cc/server_utils/encryption/test_repository_encryptor.py
@@ -11,6 +11,9 @@ from monkey_island.cc.server_utils.encryption import (
     UnlockError,
 )
 
+# Mark all tests in this module as slow
+pytestmark = pytest.mark.slow
+
 PLAINTEXT = b"Hello, Monkey!"
 SECRET = b"53CR31"