diff --git a/src/app/mork/conf.py b/src/app/mork/conf.py
index c8e0dd1..78c9c66 100644
--- a/src/app/mork/conf.py
+++ b/src/app/mork/conf.py
@@ -28,10 +28,10 @@ class Settings(BaseSettings):
     API_KEYS: list[str] = ["APIKeyToBeChanged"]
 
     # Warning task configuration
-    WARNING_PERIOD: timedelta = "P3Y30D"
+    WARNING_PERIOD: timedelta = "P5Y30D"
 
     # Deletion task configuration
-    DELETION_PERIOD: timedelta = "P3Y"
+    DELETION_PERIOD: timedelta = "P5Y"
     DELETE_MAX_RETRIES: int = 3
 
     # Edx forum configuration
diff --git a/src/app/mork/tests/celery/tasks/test_deletion.py b/src/app/mork/tests/celery/tasks/test_deletion.py
index a2b5d68..954445b 100644
--- a/src/app/mork/tests/celery/tasks/test_deletion.py
+++ b/src/app/mork/tests/celery/tasks/test_deletion.py
@@ -14,6 +14,7 @@
     mark_user_for_deletion,
     remove_email_status,
 )
+from mork.conf import settings
 from mork.edx.mysql.factories.auth import EdxAuthUserFactory
 from mork.exceptions import UserDeleteError
 from mork.factories.tasks import EmailStatusFactory
@@ -28,22 +29,22 @@
 
 def test_delete_inactive_users(edx_mysql_db, monkeypatch):
     """Test the `delete_inactive_users` function."""
-    # 2 users that did not log in for 3 years
+    # 2 users that did not log in for more than the deletion period
     EdxAuthUserFactory.create(
-        last_login=Faker().date_time_between(end_date="-3y"),
+        last_login=Faker().date_time_between(end_date=-settings.DELETION_PERIOD),
         email="johndoe1@example.com",
     )
     EdxAuthUserFactory.create(
-        last_login=Faker().date_time_between(end_date="-3y"),
+        last_login=Faker().date_time_between(end_date=-settings.DELETION_PERIOD),
         email="johndoe2@example.com",
     )
     # 2 users that logged in recently
     EdxAuthUserFactory.create(
-        last_login=Faker().date_time_between(start_date="-3y"),
+        last_login=Faker().date_time_between(start_date=-settings.DELETION_PERIOD),
         email="janedah1@example.com",
     )
     EdxAuthUserFactory.create(
-        last_login=Faker().date_time_between(start_date="-3y"),
+        last_login=Faker().date_time_between(start_date=-settings.DELETION_PERIOD),
         email="janedah2@example.com",
     )
 
@@ -68,13 +69,13 @@ def test_delete_inactive_users(edx_mysql_db, monkeypatch):
 
 def test_delete_inactive_users_with_limit(edx_mysql_db, monkeypatch):
     """Test the `delete_inactive_users` function with limit."""
-    # 2 users that did not log in for 3 years
+    # 2 users that did not log in for more than the deletion period
     EdxAuthUserFactory.create(
-        last_login=Faker().date_time_between(end_date="-3y"),
+        last_login=Faker().date_time_between(end_date=-settings.DELETION_PERIOD),
         email="johndoe1@example.com",
     )
     EdxAuthUserFactory.create(
-        last_login=Faker().date_time_between(end_date="-3y"),
+        last_login=Faker().date_time_between(end_date=-settings.DELETION_PERIOD),
         email="johndoe2@example.com",
     )
 
@@ -98,13 +99,13 @@ def test_delete_inactive_users_with_limit(edx_mysql_db, monkeypatch):
 
 def test_delete_inactive_users_with_batch_size(edx_mysql_db, monkeypatch):
     """Test the `warn_inactive_users` function with batch size."""
-    # 2 users that did not log in for 3 years
+    # 2 users that did not log in for more than the deletion period
     EdxAuthUserFactory.create(
-        last_login=Faker().date_time_between(end_date="-3y"),
+        last_login=Faker().date_time_between(end_date=-settings.DELETION_PERIOD),
         email="johndoe1@example.com",
     )
     EdxAuthUserFactory.create(
-        last_login=Faker().date_time_between(end_date="-3y"),
+        last_login=Faker().date_time_between(end_date=-settings.DELETION_PERIOD),
         email="johndoe2@example.com",
     )
 
@@ -144,13 +145,13 @@ def test_delete_inactive_users_with_batch_size(edx_mysql_db, monkeypatch):
 
 def test_delete_inactive_users_with_dry_run(edx_mysql_db, monkeypatch):
     """Test the `delete_inactive_users` function with dry run activated (by default)."""
-    # 2 users that did not log in for 3 years
+    # 2 users that did not log in for more than the deletion period
     EdxAuthUserFactory.create(
-        last_login=Faker().date_time_between(end_date="-3y"),
+        last_login=Faker().date_time_between(end_date=-settings.DELETION_PERIOD),
         email="johndoe1@example.com",
     )
     EdxAuthUserFactory.create(
-        last_login=Faker().date_time_between(end_date="-3y"),
+        last_login=Faker().date_time_between(end_date=-settings.DELETION_PERIOD),
         email="johndoe2@example.com",
     )
 
diff --git a/src/app/mork/tests/celery/tasks/test_emailing.py b/src/app/mork/tests/celery/tasks/test_emailing.py
index c3e6436..db389cf 100644
--- a/src/app/mork/tests/celery/tasks/test_emailing.py
+++ b/src/app/mork/tests/celery/tasks/test_emailing.py
@@ -11,6 +11,7 @@
     warn_inactive_users,
     warn_user,
 )
+from mork.conf import settings
 from mork.edx.mysql.factories.auth import EdxAuthUserFactory
 from mork.exceptions import EmailAlreadySent, EmailSendError
 from mork.factories.tasks import EmailStatusFactory
@@ -18,25 +19,25 @@
 
 def test_warn_inactive_users(edx_mysql_db, monkeypatch):
     """Test the `warn_inactive_users` function."""
-    # 2 users that did not log in for 3 years
+    # 2 users that did not log in for more than the warning period
     EdxAuthUserFactory.create(
-        last_login=Faker().date_time_between(end_date="-3y"),
+        last_login=Faker().date_time_between(end_date=-settings.WARNING_PERIOD),
         username="JohnDoe1",
         email="johndoe1@example.com",
     )
     EdxAuthUserFactory.create(
-        last_login=Faker().date_time_between(end_date="-3y"),
+        last_login=Faker().date_time_between(end_date=-settings.WARNING_PERIOD),
         username="JohnDoe2",
         email="johndoe2@example.com",
     )
     # 2 users that logged in recently
     EdxAuthUserFactory.create(
-        last_login=Faker().date_time_between(start_date="-3y"),
+        last_login=Faker().date_time_between(start_date=-settings.WARNING_PERIOD),
         username="JaneDah1",
         email="janedah1@example.com",
     )
     EdxAuthUserFactory.create(
-        last_login=Faker().date_time_between(start_date="-3y"),
+        last_login=Faker().date_time_between(start_date=-settings.WARNING_PERIOD),
         username="JaneDah2",
         email="janedah2@example.com",
     )
@@ -66,14 +67,14 @@ def test_warn_inactive_users(edx_mysql_db, monkeypatch):
 
 def test_warn_inactive_users_with_limit(edx_mysql_db, monkeypatch):
     """Test the `warn_inactive_users` function with limit."""
-    # 2 users that did not log in for 3 years
+    # 2 users that did not log in for more than the warning period
     EdxAuthUserFactory.create(
-        last_login=Faker().date_time_between(end_date="-3y"),
+        last_login=Faker().date_time_between(end_date=-settings.WARNING_PERIOD),
         username="JohnDoe1",
         email="johndoe1@example.com",
     )
     EdxAuthUserFactory.create(
-        last_login=Faker().date_time_between(end_date="-3y"),
+        last_login=Faker().date_time_between(end_date=-settings.WARNING_PERIOD),
         username="JohnDoe2",
         email="johndoe2@example.com",
     )
@@ -100,14 +101,14 @@ def test_warn_inactive_users_with_limit(edx_mysql_db, monkeypatch):
 
 def test_warn_inactive_users_with_batch_size(edx_mysql_db, monkeypatch):
     """Test the `warn_inactive_users` function with batch size."""
-    # 2 users that did not log in for 3 years
+    # 2 users that did not log in for more than the warning period
     EdxAuthUserFactory.create(
-        last_login=Faker().date_time_between(end_date="-3y"),
+        last_login=Faker().date_time_between(end_date=-settings.WARNING_PERIOD),
         username="JohnDoe1",
         email="johndoe1@example.com",
     )
     EdxAuthUserFactory.create(
-        last_login=Faker().date_time_between(end_date="-3y"),
+        last_login=Faker().date_time_between(end_date=-settings.WARNING_PERIOD),
         username="JohnDoe2",
         email="johndoe2@example.com",
     )
@@ -152,14 +153,14 @@ def test_warn_inactive_users_with_batch_size(edx_mysql_db, monkeypatch):
 
 def test_warn_inactive_users_with_dry_run(edx_mysql_db, monkeypatch):
     """Test the `warn_inactive_users` function with dry run activated (by default)."""
-    # 2 users that did not log in for 3 years
+    # 2 users that did not log in for more than the warning period
     EdxAuthUserFactory.create(
-        last_login=Faker().date_time_between(end_date="-3y"),
+        last_login=Faker().date_time_between(end_date=-settings.WARNING_PERIOD),
         username="JohnDoe1",
         email="johndoe1@example.com",
     )
     EdxAuthUserFactory.create(
-        last_login=Faker().date_time_between(end_date="-3y"),
+        last_login=Faker().date_time_between(end_date=-settings.WARNING_PERIOD),
         username="JohnDoe2",
         email="johndoe2@example.com",
     )