diff --git a/api/cases/models.py b/api/cases/models.py
index 4be108c39..b731c541c 100644
--- a/api/cases/models.py
+++ b/api/cases/models.py
@@ -249,7 +249,7 @@ class CaseAssignmentSla(models.Model):
     case = models.ForeignKey(Case, related_name="slas", on_delete=models.CASCADE)
 
 
-class DepartmentSLA(models.Model):
+class DepartmentSla(models.Model):
     sla_days = models.IntegerField()
     department = models.ForeignKey(Department, on_delete=models.CASCADE, related_name="department_slas")
     case = models.ForeignKey(Case, on_delete=models.CASCADE, related_name="department_slas")
diff --git a/api/cases/serializers.py b/api/cases/serializers.py
index 715784af3..1e1b6bb08 100644
--- a/api/cases/serializers.py
+++ b/api/cases/serializers.py
@@ -28,7 +28,7 @@
     GoodCountryDecision,
     CaseType,
     CaseReviewDate,
-    DepartmentSLA,
+    DepartmentSla,
 )
 from api.compliance.models import ComplianceSiteCase, ComplianceVisitCase
 from api.compliance.serializers.ComplianceSiteCaseSerializers import ComplianceSiteViewSerializer
@@ -96,7 +96,7 @@ class Meta:
 
 class CaseDepartmentSerializer(serializers.ModelSerializer):
     class Meta:
-        model = DepartmentSLA
+        model = DepartmentSla
         fields = "__all__"
 
 
diff --git a/api/cases/tasks.py b/api/cases/tasks.py
index 8f4684cd7..9ef05714a 100644
--- a/api/cases/tasks.py
+++ b/api/cases/tasks.py
@@ -10,7 +10,7 @@
 from pytz import timezone as tz
 
 from api.cases.enums import CaseTypeSubTypeEnum
-from api.cases.models import Case, CaseAssignmentSla, CaseQueue, DepartmentSLA
+from api.cases.models import Case, CaseAssignmentSla, CaseQueue, DepartmentSla
 from api.cases.models import EcjuQuery
 from api.common.dates import is_weekend, is_bank_holiday
 from api.staticdata.statuses.enums import CaseStatusEnum
@@ -117,11 +117,11 @@ def update_cases_sla():
                     department = assignment.queue.team.department
                     if department is not None:
                         try:
-                            department_sla = DepartmentSLA.objects.get(department=department, case=assignment.case)
+                            department_sla = DepartmentSla.objects.get(department=department, case=assignment.case)
                             department_sla.sla_days += 1
                             department_sla.save()
-                        except DepartmentSLA.DoesNotExist:
-                            DepartmentSLA.objects.create(department=department, case=assignment.case, sla_days=1)
+                        except DepartmentSla.DoesNotExist:
+                            DepartmentSla.objects.create(department=department, case=assignment.case, sla_days=1)
 
                 results = cases.select_for_update().update(
                     sla_days=F("sla_days") + 1, sla_remaining_days=F("sla_remaining_days") - 1, sla_updated_at=date,
diff --git a/api/cases/tests/test_sla.py b/api/cases/tests/test_sla.py
index f1ab957ce..2337c6eeb 100644
--- a/api/cases/tests/test_sla.py
+++ b/api/cases/tests/test_sla.py
@@ -19,7 +19,7 @@
     SLA_UPDATE_CUTOFF_TIME,
     HMRC_QUERY_TARGET_DAYS,
 )
-from api.cases.models import CaseAssignmentSla, CaseQueue, DepartmentSLA
+from api.cases.models import CaseAssignmentSla, CaseQueue, DepartmentSla
 from api.staticdata.statuses.enums import CaseStatusEnum
 from api.staticdata.statuses.libraries.get_case_status import get_case_status_by_status
 from api.teams.models import Department
@@ -598,5 +598,5 @@ def test_department_sla_updated(
         self.team.department = test_department
         self.team.save()
         update_cases_sla.now()
-        department_sla = DepartmentSLA.objects.get(department=test_department)
+        department_sla = DepartmentSla.objects.get(department=test_department)
         self.assertEqual(department_sla.sla_days, 1)
diff --git a/api/data_workspace/case_views.py b/api/data_workspace/case_views.py
index 0e7a8225a..9613beec0 100644
--- a/api/data_workspace/case_views.py
+++ b/api/data_workspace/case_views.py
@@ -2,7 +2,7 @@
 from rest_framework.pagination import LimitOffsetPagination
 
 from api.core.authentication import DataWorkspaceOnlyAuthentication
-from api.cases.models import CaseAssignment, CaseAssignmentSla, CaseType, CaseQueue, EcjuQuery, DepartmentSLA
+from api.cases.models import CaseAssignment, CaseAssignmentSla, CaseType, CaseQueue, EcjuQuery, DepartmentSla
 from api.cases.serializers import (
     CaseAssignmentSlaSerializer,
     CaseTypeSerializer,
@@ -47,7 +47,7 @@ class CaseDepartmentList(viewsets.ReadOnlyModelViewSet):
     authentication_classes = (DataWorkspaceOnlyAuthentication,)
     serializer_class = CaseDepartmentSerializer
     pagination_class = LimitOffsetPagination
-    queryset = DepartmentSLA.objects.all()
+    queryset = DepartmentSla.objects.all()
 
 
 class EcjuQueryList(viewsets.ReadOnlyModelViewSet):