diff --git a/tests/test_state.py b/tests/test_state.py
index 41ecc3a3..f89b52dc 100644
--- a/tests/test_state.py
+++ b/tests/test_state.py
@@ -12,7 +12,7 @@
 
 
 @given(standard_state_strategy(), serializer_dump_load_strategy)
-@settings(suppress_health_check={HealthCheck.too_slow}, deadline=500)
+@settings(suppress_health_check={HealthCheck.too_slow}, deadline=1000)
 def test_state_serialize_deserialize(o: StandardState, dump_load):
     o_loaded = dump_load(o)
     assert o.variables == o_loaded.variables