diff --git a/nuclio/triggers.py b/nuclio/triggers.py
index a4eed84..505f39b 100644
--- a/nuclio/triggers.py
+++ b/nuclio/triggers.py
@@ -173,6 +173,10 @@ def __init__(
         initial_offset="earliest",
         explicit_ack_mode=None,
         extra_attributes=None,
+        session_timeout: str = "10s",
+        heartbeat_interval: str = "3s",
+        worker_allocation_mode: str = "pool",
+        fetch_default: int = 1048576,
     ):
         super(KafkaTrigger, self).__init__(
             {
@@ -183,10 +187,10 @@ def __init__(
                     "brokers": brokers,
                     "consumerGroup": consumer_group,
                     "initialOffset": initial_offset,
-                    "sessionTimeout": "10s",
-                    "heartbeatInterval": "3s",
-                    "workerAllocationMode": "pool",
-                    "fetchDefault": 1048576,
+                    "sessionTimeout": session_timeout,
+                    "heartbeatInterval": heartbeat_interval,
+                    "workerAllocationMode": worker_allocation_mode,
+                    "fetchDefault": fetch_default,
                 },
             }
         )
@@ -195,6 +199,12 @@ def __init__(
             self._struct["attributes"]["partitions"] = partitions
         if explicit_ack_mode:
             self._struct["explicitAckMode"] = explicit_ack_mode
+            # workerAllocationMode conflicts with explicit_ack_mode, so we should force static one in that case
+            if not extra_attributes:
+                extra_attributes = {"workerAllocationMode": "static"}
+            else:
+                extra_attributes["workerAllocationMode"] = "static"
+
         self._add_extra_attrs(extra_attributes)
 
     def sasl(self, user="", password=""):
@@ -266,6 +276,12 @@ def __init__(
             struct["attributes"]["pollingIntervalMs"] = pollingIntervalMS
         if explicit_ack_mode:
             struct["explicitAckMode"] = explicit_ack_mode
+            # workerAllocationMode conflicts with explicit_ack_mode, so we should force static one in that case
+            if not extra_attributes:
+                extra_attributes = {"workerAllocationMode": "static"}
+            else:
+                extra_attributes["workerAllocationMode"] = "static"
+
         access_key = access_key if access_key else environ.get("V3IO_ACCESS_KEY")
         if not access_key:
             raise ValueError(