diff --git a/README.md b/README.md
index 1a99ee20..2c05ce9c 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,7 @@
 - [CAPIF Tool Release 2.0](#capif-tool-release-20)
 - [CAPIF Tool Release 2.1](#capif-tool-release-21)
 - [CAPIF Tool Release 3.0](#capif-tool-release-30)
+- [CAPIF Tool Release 3.1](#capif-tool-release-31)
 
 
 # Repository structure
@@ -250,6 +251,13 @@ Changes at Tests:
 * Complete code refactor of all tests
 * Complete test plan review, including all services (except auditing and logging)
 
+# CAPIF Tool Release 3.1
+
+* Delete a service automatically if the provider that contains the APF that published it is deleted
+* Clear the security context of an invoker automatically if the invoker is deleted
+* Delete automatically the entry in the security info of the security context if the provider that has the aef that published the service is deleted
+* Delete automatically the entry in the security info of the security context if the service on which that context was created is deleted
+
 
 
 
diff --git a/services/TS29222_CAPIF_API_Invoker_Management_API/api_invoker_management/controllers/default_controller.py b/services/TS29222_CAPIF_API_Invoker_Management_API/api_invoker_management/controllers/default_controller.py
index d51968e6..92a71e56 100644
--- a/services/TS29222_CAPIF_API_Invoker_Management_API/api_invoker_management/controllers/default_controller.py
+++ b/services/TS29222_CAPIF_API_Invoker_Management_API/api_invoker_management/controllers/default_controller.py
@@ -34,7 +34,7 @@ def onboarded_invokers_onboarding_id_delete(onboarding_id):  # noqa: E501
     if res.status_code == 204:
         current_app.logger.info("Invoker Removed")
         publisher_ops.publish_message("events", "API_INVOKER_UPDATED")
-        publisher_ops.publish_message("internal-messages", "invoker-removed:"+onboarding_id)
+        publisher_ops.publish_message("internal-messages", f"invoker-removed:{onboarding_id}")
 
     return res
 
diff --git a/services/TS29222_CAPIF_API_Invoker_Management_API/api_invoker_management/core/publisher.py b/services/TS29222_CAPIF_API_Invoker_Management_API/api_invoker_management/core/publisher.py
index f7b0c3c4..3898c4b8 100644
--- a/services/TS29222_CAPIF_API_Invoker_Management_API/api_invoker_management/core/publisher.py
+++ b/services/TS29222_CAPIF_API_Invoker_Management_API/api_invoker_management/core/publisher.py
@@ -1,5 +1,6 @@
 import redis
 import sys
+from flask import current_app
 
 class Publisher():
 
diff --git a/services/TS29222_CAPIF_API_Invoker_Management_API/requirements.txt b/services/TS29222_CAPIF_API_Invoker_Management_API/requirements.txt
index 86d08f7b..de9d2229 100644
--- a/services/TS29222_CAPIF_API_Invoker_Management_API/requirements.txt
+++ b/services/TS29222_CAPIF_API_Invoker_Management_API/requirements.txt
@@ -4,8 +4,8 @@ python_dateutil >= 2.6.0
 setuptools >= 21.0.0
 Flask == 2.0.3
 pymongo == 4.0.1
-flask_jwt_extended
-pyopenssl
-rfc3987
-redis
-flask_executor
\ No newline at end of file
+flask_jwt_extended == 4.4.4
+pyopenssl == 23.0.0
+rfc3987 == 1.3.8
+redis ==  4.5.1
+flask_executor == 1.0.0
\ No newline at end of file
diff --git a/services/TS29222_CAPIF_API_Provider_Management_API/api_provider_management/core/provider_enrolment_details_api.py b/services/TS29222_CAPIF_API_Provider_Management_API/api_provider_management/core/provider_enrolment_details_api.py
index b8a1fb9e..3ddab693 100644
--- a/services/TS29222_CAPIF_API_Provider_Management_API/api_provider_management/core/provider_enrolment_details_api.py
+++ b/services/TS29222_CAPIF_API_Provider_Management_API/api_provider_management/core/provider_enrolment_details_api.py
@@ -74,9 +74,12 @@ def delete_api_provider_enrolment_details(self, api_prov_dom_id):
             if isinstance(result, Response):
                 return result
 
+            apf_id = [ provider_func['api_prov_func_id'] for provider_func in result["api_prov_funcs"] if provider_func['api_prov_func_role'] == 'APF' ]
+            aef_id = [ provider_func['api_prov_func_id'] for provider_func in result["api_prov_funcs"] if provider_func['api_prov_func_role'] == 'AEF' ]
             mycol.delete_one({'api_prov_dom_id': api_prov_dom_id})
             out =  "The provider matching apiProvDomainId  " + api_prov_dom_id + " was offboarded."
             current_app.logger.debug("Removed provider domain from database")
+            self.publish_ops.publish_message("internal-messages", f"provider-removed:{aef_id[0]}:{apf_id[0]}")
             return make_response(object=out, status=204)
 
         except Exception as e:
diff --git a/services/TS29222_CAPIF_API_Provider_Management_API/api_provider_management/core/publisher.py b/services/TS29222_CAPIF_API_Provider_Management_API/api_provider_management/core/publisher.py
new file mode 100644
index 00000000..38d7259f
--- /dev/null
+++ b/services/TS29222_CAPIF_API_Provider_Management_API/api_provider_management/core/publisher.py
@@ -0,0 +1,10 @@
+import redis
+import sys
+
+class Publisher():
+
+    def __init__(self):
+        self. r = redis.Redis(host='redis', port=6379, db=0)
+
+    def publish_message(self, channel, message):
+        self.r.publish(channel, message)
\ No newline at end of file
diff --git a/services/TS29222_CAPIF_API_Provider_Management_API/api_provider_management/core/resources.py b/services/TS29222_CAPIF_API_Provider_Management_API/api_provider_management/core/resources.py
index 94e29ec0..86e99d4b 100644
--- a/services/TS29222_CAPIF_API_Provider_Management_API/api_provider_management/core/resources.py
+++ b/services/TS29222_CAPIF_API_Provider_Management_API/api_provider_management/core/resources.py
@@ -1,7 +1,9 @@
 from abc import ABC, abstractmethod
 from ..db.db import MongoDatabse
+from .publisher import Publisher
 
 class Resource(ABC):
 
     def __init__(self):
-        self.db = MongoDatabse()
\ No newline at end of file
+        self.db = MongoDatabse()
+        self.publish_ops = Publisher()
\ No newline at end of file
diff --git a/services/TS29222_CAPIF_API_Provider_Management_API/requirements.txt b/services/TS29222_CAPIF_API_Provider_Management_API/requirements.txt
index 0660f523..84332fb4 100644
--- a/services/TS29222_CAPIF_API_Provider_Management_API/requirements.txt
+++ b/services/TS29222_CAPIF_API_Provider_Management_API/requirements.txt
@@ -4,6 +4,9 @@ python_dateutil >= 2.6.0
 setuptools >= 21.0.0
 Flask == 2.0.3
 pymongo == 4.0.1
-flask_jwt_extended
-pyopenssl
+redis ==  4.5.1
+flask_executor == 1.0.0
+flask_jwt_extended == 4.4.4
+pyopenssl == 23.0.0
+rfc3987 == 1.3.8
 
diff --git a/services/TS29222_CAPIF_Auditing_API/requirements.txt b/services/TS29222_CAPIF_Auditing_API/requirements.txt
index 45c243e3..ec07ff82 100644
--- a/services/TS29222_CAPIF_Auditing_API/requirements.txt
+++ b/services/TS29222_CAPIF_Auditing_API/requirements.txt
@@ -5,6 +5,5 @@ setuptools >= 21.0.0
 Flask == 2.0.3
 pymongo == 4.0.1
 elasticsearch == 8.4.3
-flask_jwt_extended
-pyopenssl
-flask-mqtt
+flask_jwt_extended == 4.4.4
+pyopenssl == 23.0.0
diff --git a/services/TS29222_CAPIF_Discover_Service_API/requirements.txt b/services/TS29222_CAPIF_Discover_Service_API/requirements.txt
index d348641b..f815469f 100644
--- a/services/TS29222_CAPIF_Discover_Service_API/requirements.txt
+++ b/services/TS29222_CAPIF_Discover_Service_API/requirements.txt
@@ -4,5 +4,5 @@ python_dateutil >= 2.6.0
 setuptools >= 21.0.0
 Flask == 2.0.3
 pymongo == 4.0.1
-flask_jwt_extended
-pyopenssl
\ No newline at end of file
+flask_jwt_extended == 4.4.4
+pyopenssl == 23.0.0
diff --git a/services/TS29222_CAPIF_Events_API/capif_events/__main__.py b/services/TS29222_CAPIF_Events_API/capif_events/__main__.py
index ef555ce5..96c7a164 100644
--- a/services/TS29222_CAPIF_Events_API/capif_events/__main__.py
+++ b/services/TS29222_CAPIF_Events_API/capif_events/__main__.py
@@ -16,7 +16,6 @@
 from multiprocessing import Process
 from threading import Thread
 from flask_executor import Executor
-from flask_apscheduler import APScheduler
 from logging.handlers import RotatingFileHandler
 
 
@@ -61,8 +60,7 @@ def verbose_formatter():
 configure_logging(app.app)
 executor = Executor(app.app)
 subscriber = Subscriber()
-scheduler = APScheduler()
-scheduler.init_app(app.app)
+
 
 @app.app.before_first_request
 def create_listener_message():
diff --git a/services/TS29222_CAPIF_Events_API/capif_events/core/consumer_messager.py b/services/TS29222_CAPIF_Events_API/capif_events/core/consumer_messager.py
index dc61cd1e..4424fba9 100644
--- a/services/TS29222_CAPIF_Events_API/capif_events/core/consumer_messager.py
+++ b/services/TS29222_CAPIF_Events_API/capif_events/core/consumer_messager.py
@@ -25,10 +25,10 @@ def listen(self):
                 self.notification.send_notifications(raw_message["data"].decode('utf-8'))
 
             elif raw_message["type"] == "message" and raw_message["channel"].decode('utf-8') == "internal-messages":
-                message, invoker_id = raw_message["data"].decode('utf-8').split(":")
+                message, *invoker_id = raw_message["data"].decode('utf-8').split(":")
                 if message == "invoker-removed":
                     current_app.logger.debug("Recevived message, invoker remove, removing event subscriptions")
-                    self.event_ops.delete_all_events(invoker_id)
+                    self.event_ops.delete_all_events(invoker_id[0])
 
 
 
diff --git a/services/TS29222_CAPIF_Events_API/requirements.txt b/services/TS29222_CAPIF_Events_API/requirements.txt
index 91e31cef..279753e4 100644
--- a/services/TS29222_CAPIF_Events_API/requirements.txt
+++ b/services/TS29222_CAPIF_Events_API/requirements.txt
@@ -4,9 +4,9 @@ python_dateutil >= 2.6.0
 setuptools >= 21.0.0
 Flask == 2.0.3
 pymongo == 4.0.1
-flask_jwt_extended
-pyopenssl
-rfc3987
-redis
-flask_executor
-Flask-APScheduler
+flask_jwt_extended == 4.4.4
+pyopenssl == 23.0.0
+rfc3987 == 1.3.8
+redis ==  4.5.1
+flask_executor == 1.0.0
+
diff --git a/services/TS29222_CAPIF_Logging_API_Invocation_API/requirements.txt b/services/TS29222_CAPIF_Logging_API_Invocation_API/requirements.txt
index 45c243e3..203f4fad 100644
--- a/services/TS29222_CAPIF_Logging_API_Invocation_API/requirements.txt
+++ b/services/TS29222_CAPIF_Logging_API_Invocation_API/requirements.txt
@@ -5,6 +5,6 @@ setuptools >= 21.0.0
 Flask == 2.0.3
 pymongo == 4.0.1
 elasticsearch == 8.4.3
-flask_jwt_extended
-pyopenssl
-flask-mqtt
+flask_jwt_extended == 4.4.4
+pyopenssl == 23.0.0
+
diff --git a/services/TS29222_CAPIF_Publish_Service_API/published_apis/__main__.py b/services/TS29222_CAPIF_Publish_Service_API/published_apis/__main__.py
index b816113f..d6936035 100644
--- a/services/TS29222_CAPIF_Publish_Service_API/published_apis/__main__.py
+++ b/services/TS29222_CAPIF_Publish_Service_API/published_apis/__main__.py
@@ -10,6 +10,8 @@
 from pymongo import MongoClient
 from .config import Config
 from logging.handlers import RotatingFileHandler
+from .core.consumer_messager import Subscriber
+from flask_executor import Executor
 
 
 def configure_logging(app):
@@ -50,6 +52,12 @@ def verbose_formatter():
 jwt = JWTManager(app.app)
 configure_logging(app.app)
 
+executor = Executor(app.app)
+subscriber = Subscriber()
+
+@app.app.before_first_request
+def up_listener():
+    executor.submit(subscriber.listen)
 
 
 if __name__ == '__main__':
diff --git a/services/TS29222_CAPIF_Publish_Service_API/published_apis/controllers/default_controller.py b/services/TS29222_CAPIF_Publish_Service_API/published_apis/controllers/default_controller.py
index 1d67744d..54b2e0e6 100644
--- a/services/TS29222_CAPIF_Publish_Service_API/published_apis/controllers/default_controller.py
+++ b/services/TS29222_CAPIF_Publish_Service_API/published_apis/controllers/default_controller.py
@@ -79,6 +79,7 @@ def apf_id_service_apis_service_api_id_delete(service_api_id, apf_id):  # noqa:
     if res.status_code == 204:
         current_app.logger.info("Removed service published")
         publisher_ops.publish_message("events", "SERVICE_API_UNAVAILABLE")
+        publisher_ops.publish_message("internal-messages", f"service-removed:{service_api_id}")
 
     return res
 
diff --git a/services/TS29222_CAPIF_Publish_Service_API/published_apis/core/consumer_messager.py b/services/TS29222_CAPIF_Publish_Service_API/published_apis/core/consumer_messager.py
new file mode 100644
index 00000000..8108f450
--- /dev/null
+++ b/services/TS29222_CAPIF_Publish_Service_API/published_apis/core/consumer_messager.py
@@ -0,0 +1,29 @@
+# subscriber.py
+import redis
+import time
+import sys
+import json
+import asyncio
+from threading import Thread
+from .internal_service_ops import InternalServiceOps
+from flask import current_app
+
+class Subscriber():
+
+    def __init__(self):
+        self.r = redis.Redis(host='redis', port=6379, db=0)
+        self.security_ops = InternalServiceOps()
+        self.p = self.r.pubsub()
+        self.p.subscribe("internal-messages")
+
+    def listen(self):
+        current_app.logger.info("Listening publish messages")
+        for raw_message in self.p.listen():
+            if raw_message["type"] == "message" and raw_message["channel"].decode('utf-8') == "internal-messages":
+                message, *ids = raw_message["data"].decode('utf-8').split(":")
+                if message == "provider-removed":
+                    self.security_ops.delete_intern_service(ids[1])
+
+
+
+
diff --git a/services/TS29222_CAPIF_Publish_Service_API/published_apis/core/internal_service_ops.py b/services/TS29222_CAPIF_Publish_Service_API/published_apis/core/internal_service_ops.py
new file mode 100644
index 00000000..70855c57
--- /dev/null
+++ b/services/TS29222_CAPIF_Publish_Service_API/published_apis/core/internal_service_ops.py
@@ -0,0 +1,13 @@
+
+from flask import current_app
+from .resources import Resource
+
+class InternalServiceOps(Resource):
+
+    def delete_intern_service(self, apf_id):
+
+        current_app.logger.info("Provider removed, removing services published by APF")
+        mycol = self.db.get_col_by_name(self.db.service_api_descriptions)
+        my_query = {'apf_id': apf_id}
+        mycol.delete_many(my_query)
+        current_app.logger.info("Removed service")
\ No newline at end of file
diff --git a/services/TS29222_CAPIF_Publish_Service_API/requirements.txt b/services/TS29222_CAPIF_Publish_Service_API/requirements.txt
index 0e173577..acf2b9c8 100644
--- a/services/TS29222_CAPIF_Publish_Service_API/requirements.txt
+++ b/services/TS29222_CAPIF_Publish_Service_API/requirements.txt
@@ -4,7 +4,8 @@ python_dateutil >= 2.6.0
 setuptools >= 21.0.0
 Flask == 2.0.3
 pymongo == 4.0.1
-flask_jwt_extended
-pyopenssl
-redis
+flask_jwt_extended == 4.4.4
+pyopenssl == 23.0.0
+redis ==  4.5.1
+flask_executor == 1.0.0
 
diff --git a/services/TS29222_CAPIF_Security_API/capif_security/__main__.py b/services/TS29222_CAPIF_Security_API/capif_security/__main__.py
index e98259b9..d24b496d 100644
--- a/services/TS29222_CAPIF_Security_API/capif_security/__main__.py
+++ b/services/TS29222_CAPIF_Security_API/capif_security/__main__.py
@@ -8,7 +8,6 @@
 from .core.consumer_messager import Subscriber
 from threading import Thread
 from flask_executor import Executor
-from flask_apscheduler import APScheduler
 from logging.handlers import RotatingFileHandler
 import sys
 
@@ -56,8 +55,6 @@ def main():
 
     JWTManager(app.app)
     subscriber = Subscriber()
-    scheduler = APScheduler()
-    scheduler.init_app(app.app)
     configure_logging(app.app)
 
     executor = Executor(app.app)
diff --git a/services/TS29222_CAPIF_Security_API/capif_security/core/consumer_messager.py b/services/TS29222_CAPIF_Security_API/capif_security/core/consumer_messager.py
index 71309d8f..cd8b22dd 100644
--- a/services/TS29222_CAPIF_Security_API/capif_security/core/consumer_messager.py
+++ b/services/TS29222_CAPIF_Security_API/capif_security/core/consumer_messager.py
@@ -17,11 +17,15 @@ def __init__(self):
         self.p.subscribe("internal-messages")
 
     def listen(self):
+        current_app.logger.info("Listening security context messages")
         for raw_message in self.p.listen():
             if raw_message["type"] == "message" and raw_message["channel"].decode('utf-8') == "internal-messages":
-                message, invoker_id = raw_message["data"].decode('utf-8').split(":")
+                message, *ids = raw_message["data"].decode('utf-8').split(":")
                 if message == "invoker-removed":
-                    self.security_ops.delete_intern_servicesecurity(invoker_id)
+                    self.security_ops.delete_intern_servicesecurity(ids[0])
+                if message == "provider-removed" or message == "service-removed":
+                    self.security_ops.update_intern_servicesecurity(ids[0])
+                
 
 
 
diff --git a/services/TS29222_CAPIF_Security_API/capif_security/core/internal_security_ops.py b/services/TS29222_CAPIF_Security_API/capif_security/core/internal_security_ops.py
index 5b30874f..d531f79f 100644
--- a/services/TS29222_CAPIF_Security_API/capif_security/core/internal_security_ops.py
+++ b/services/TS29222_CAPIF_Security_API/capif_security/core/internal_security_ops.py
@@ -10,4 +10,19 @@ def delete_intern_servicesecurity(self, api_invoker_id):
         mycol = self.db.get_col_by_name(self.db.security_info)
         my_query = {'api_invoker_id': api_invoker_id}
         mycol.delete_many(my_query)
-        current_app.logger.info("Removed security context")
\ No newline at end of file
+        current_app.logger.info("Removed security context")
+
+    def update_intern_servicesecurity(self, id):
+
+        current_app.logger.info("Provider Removed, updating security context")
+        security_col = self.db.get_col_by_name(self.db.security_info)
+
+
+        security_contexts = security_col.find({"$or":[{"security_info.aef_id":id}, {"security_info.api_id":id}]})
+
+        for security_context in security_contexts:
+            new_security_info = [info for info  in security_context["security_info"] if info["aef_id"]!=id and info["api_id"] != id]
+            security_context["security_info"] = new_security_info
+            security_col.update_one({'api_invoker_id':security_context["api_invoker_id"]}, {"$set":security_context})
+
+        current_app.logger.info("Updated security context")
\ No newline at end of file
diff --git a/services/TS29222_CAPIF_Security_API/requirements.txt b/services/TS29222_CAPIF_Security_API/requirements.txt
index 0854cc80..578188ff 100644
--- a/services/TS29222_CAPIF_Security_API/requirements.txt
+++ b/services/TS29222_CAPIF_Security_API/requirements.txt
@@ -4,10 +4,8 @@ python_dateutil >= 2.6.0
 setuptools >= 21.0.0
 Flask == 2.0.3
 pymongo == 4.0.1
-flask_jwt_extended
-pyjwt
-rfc3987
-redis
-pyopenssl
-flask_executor
-Flask-APScheduler
\ No newline at end of file
+flask_jwt_extended == 4.4.4
+pyopenssl == 23.0.0
+rfc3987 == 1.3.8
+redis ==  4.5.1
+flask_executor == 1.0.0