diff --git a/pytest.ini b/pytest.ini
index 913a5aeb..19ea355b 100644
--- a/pytest.ini
+++ b/pytest.ini
@@ -1,9 +1,11 @@
 [pytest]
 norecursedirs = build docs .*
 filterwarnings =
     ignore:.*the imp module.*:PendingDeprecationWarning
 markers =
     db: execute tests using a postgresql database
     cassandra: execute tests using a cassandra database (which are slow)
     property_based: execute tests generating data with hypothesis (potentially long run time)
     network: execute tests using a socket between two threads
+
+asyncio_mode = strict