diff --git a/monkey/tests/unit_tests/common/event_serializers/test_event_serializer_registry.py b/monkey/tests/unit_tests/common/event_serializers/test_event_serializer_registry.py
new file mode 100644
index 000000000..0e56fcb1b
--- /dev/null
+++ b/monkey/tests/unit_tests/common/event_serializers/test_event_serializer_registry.py
@@ -0,0 +1,28 @@
+from dataclasses import dataclass, field
+
+from common.event_serializers import EventSerializerRegistry
+from common.events import AbstractEvent
+
+
+@dataclass(frozen=True)
+class SomeEvent(AbstractEvent):
+    some_param: int = field(default=435)
+
+
+@dataclass(frozen=True)
+class OtherEvent(AbstractEvent):
+    other_param: float = field(default=123.456)
+
+
+def test_event_serializer_registry():
+
+    event_serializer_registry = EventSerializerRegistry()
+
+    some_event = SomeEvent(some_param=123)
+    other_event = OtherEvent()
+
+    event_serializer_registry[SomeEvent] = some_event
+    event_serializer_registry[OtherEvent] = other_event
+
+    assert event_serializer_registry[some_event.__class__] == some_event
+    assert event_serializer_registry[other_event.__class__] == other_event