diff --git a/bioblend/_tests/TestGalaxyNotifications.py b/bioblend/_tests/TestGalaxyNotifications.py
index a67b8b591..fc57296f6 100755
--- a/bioblend/_tests/TestGalaxyNotifications.py
+++ b/bioblend/_tests/TestGalaxyNotifications.py
@@ -2,6 +2,7 @@
     datetime,
     timedelta,
 )
+from packaging.version import Version
 from typing import (
     Any,
     Dict,
@@ -34,7 +35,11 @@ def test_notification_status(self):
         if not self.gi.users.get_current_user()["is_admin"]:
             self.skipTest("This tests requires the current user to be an admin, which is not the case.")
 
-        task_based = self.gi.config.get_config()["enable_celery_tasks"]
+        # sending notifications are handled by tasks since 24.1 if celery is enabled
+        version = self.gi.config.get_config()["version_major"]
+        task_based = self.gi.config.get_config()["enable_celery_tasks"] and (
+            version == "dev" or Version(version) >= Version("24.1")
+        )
 
         # user creation for the test
         user1 = self._create_local_test_user(password="password")
@@ -150,7 +155,11 @@ def test_get_user_notifications(self):
         if not self.gi.users.get_current_user()["is_admin"]:
             self.skipTest("This tests requires the current user to be an admin, which is not the case.")
 
-        task_based = self.gi.config.get_config()["enable_celery_tasks"]
+        # sending notifications are handled by tasks since 24.1 if celery is enabled
+        version = self.gi.config.get_config()["version_major"]
+        task_based = self.gi.config.get_config()["enable_celery_tasks"] and (
+            version == "dev" or Version(version) >= Version("24.1")
+        )
 
         # send the notifications
         user_id = [self.gi.users.get_current_user()["id"]]
@@ -248,7 +257,12 @@ def test_show_notification(self):
             self.skipTest("This Galaxy instance is not configured to use notifications.")
         if not self.gi.users.get_current_user()["is_admin"]:
             self.skipTest("This tests requires the current user to be an admin, which is not the case.")
-        task_based = self.gi.config.get_config()["enable_celery_tasks"]
+
+        # sending notifications are handled by tasks since 24.1 if celery is enabled
+        version = self.gi.config.get_config()["version_major"]
+        task_based = self.gi.config.get_config()["enable_celery_tasks"] and (
+            version == "dev" or Version(version) >= Version("24.1")
+        )
 
         # user creation for the test
         user = self._create_local_test_user(password="password")
@@ -280,7 +294,11 @@ def test_update_notifications(self):
             self.skipTest("This Galaxy instance is not configured to use notifications.")
         if not self.gi.users.get_current_user()["is_admin"]:
             self.skipTest("This tests requires the current user to be an admin, which is not the case.")
-        task_based = self.gi.config.get_config()["enable_celery_tasks"]
+        # sending notifications are handled by tasks since 24.1 if celery is enabled
+        version = self.gi.config.get_config()["version_major"]
+        task_based = self.gi.config.get_config()["enable_celery_tasks"] and (
+            version == "dev" or Version(version) >= Version("24.1")
+        )
 
         # user creation for the test
         user = self._create_local_test_user(password="password")
@@ -363,7 +381,11 @@ def test_delete_notifications(self):
             self.skipTest("This Galaxy instance is not configured to use notifications.")
         if not self.gi.users.get_current_user()["is_admin"]:
             self.skipTest("This tests requires the current user to be an admin, which is not the case.")
-        task_based = self.gi.config.get_config()["enable_celery_tasks"]
+        # sending notifications are handled by tasks since 24.1 if celery is enabled
+        version = self.gi.config.get_config()["version_major"]
+        task_based = self.gi.config.get_config()["enable_celery_tasks"] and (
+            version == "dev" or Version(version) >= Version("24.1")
+        )
 
         # user creation for the test
         user = self._create_local_test_user(password="password")