diff --git a/datascience/config.py b/datascience/config.py
index add704158c..259370fd15 100644
--- a/datascience/config.py
+++ b/datascience/config.py
@@ -187,6 +187,7 @@
 REPORTING_ARCHIVING_ENDPOINT_TEMPLATE = (
     API_ENDPOINT + "reportings/{reporting_id}/archive"
 )
+PORTS_CACHE_INVALIDATION_ENDPOINT = API_ENDPOINT + "ports/invalidate"
 
 # Backend api key
 BACKEND_API_KEY = os.environ.get("MONITORFISH_BACKEND_API_KEY")
diff --git a/datascience/src/pipeline/flows/ports.py b/datascience/src/pipeline/flows/ports.py
index 058a4b398a..bc1962048e 100644
--- a/datascience/src/pipeline/flows/ports.py
+++ b/datascience/src/pipeline/flows/ports.py
@@ -14,6 +14,7 @@
 
 from config import (
     IS_INTEGRATION,
+    PORTS_CACHE_INVALIDATION_ENDPOINT,
     PORTS_CSV_RESOURCE_ID,
     PORTS_CSV_RESOURCE_TITLE,
     PORTS_DATASET_ID,
@@ -863,6 +864,11 @@ def transform_ports_open_data(ports: pd.DataFrame) -> pd.DataFrame:
     return ports_open_data
 
 
+@task(checkpoint=False)
+def invalidate_cache():
+    requests.put(PORTS_CACHE_INVALIDATION_ENDPOINT)
+
+
 @task(checkpoint=False)
 def load_ports(ports):
     load(
@@ -900,7 +906,8 @@ def load_ports(ports):
         ports_open_data = transform_ports_open_data(ports)
 
         # Load
-        load_ports(ports)
+        loaded_ports = load_ports(ports)
+        invalidate_cache(upstream_tasks=[loaded_ports])
 
         ports_open_data_csv_file = get_csv_file_object(ports_open_data)
         update_resource(
diff --git a/datascience/tests/test_pipeline/test_flows/test_ports.py b/datascience/tests/test_pipeline/test_flows/test_ports.py
index 9f9e137353..7959bb936d 100644
--- a/datascience/tests/test_pipeline/test_flows/test_ports.py
+++ b/datascience/tests/test_pipeline/test_flows/test_ports.py
@@ -1,10 +1,11 @@
 from io import BytesIO
+from unittest.mock import patch
 
 import pandas as pd
 import pytest
 from prefect import task
 
-from src.pipeline.flows.ports import flow
+from src.pipeline.flows.ports import flow, invalidate_cache
 from src.read_query import read_query
 from tests.mocks import mock_check_flow_not_running, mock_update_resource
 
@@ -57,9 +58,18 @@ def mock_extract_local_ports() -> pd.DataFrame:
     return local_ports_data
 
 
+@task(checkpoint=False)
+def mock_invalidate_cache() -> pd.DataFrame:
+    with patch("src.pipeline.flows.ports.requests") as mock_requests:
+        invalidate_cache.run()
+
+    return mock_requests
+
+
 flow.replace(flow.get_tasks("check_flow_not_running")[0], mock_check_flow_not_running)
 flow.replace(flow.get_tasks("extract_local_ports")[0], mock_extract_local_ports)
 flow.replace(flow.get_tasks("update_resource")[0], mock_update_resource)
+flow.replace(flow.get_tasks("invalidate_cache")[0], mock_invalidate_cache)
 
 
 def test_flow(reset_test_data, expected_ports_open_data, expected_loaded_ports):
@@ -86,3 +96,9 @@ def test_flow(reset_test_data, expected_ports_open_data, expected_loaded_ports):
         expected_ports_open_data.convert_dtypes(),
         check_like=True,
     )
+    mock_invalidate_cache_result = state.result[
+        flow.get_tasks("mock_invalidate_cache")[0]
+    ].result
+    mock_invalidate_cache_result.put.assert_called_once_with(
+        "https://monitor.fish/api/v1/ports/invalidate"
+    )