diff --git a/lms/djangoapps/grades/grade_utils.py b/lms/djangoapps/grades/grade_utils.py
index 0344cf6c20d1..05d2058f37ba 100644
--- a/lms/djangoapps/grades/grade_utils.py
+++ b/lms/djangoapps/grades/grade_utils.py
@@ -7,6 +7,7 @@
 from datetime import timedelta
 
 from django.utils import timezone
+from django.conf import settings
 
 from openedx.core.djangoapps.content.course_overviews.models import CourseOverview
 
@@ -22,7 +23,7 @@ def are_grades_frozen(course_key):
     if ENFORCE_FREEZE_GRADE_AFTER_COURSE_END.is_enabled(course_key):
         course = CourseOverview.get_from_id(course_key)
         if course.end:
-            freeze_grade_date = course.end + timedelta(30)
+            freeze_grade_date = course.end + timedelta(settings.GRADEBOOK_FREEZE_DAYS)
             now = timezone.now()
             return now > freeze_grade_date
     return False
diff --git a/lms/envs/common.py b/lms/envs/common.py
index 9f9004976e0c..d0d2eeae765c 100644
--- a/lms/envs/common.py
+++ b/lms/envs/common.py
@@ -1101,6 +1101,11 @@
 # If this is true, random scores will be generated for the purpose of debugging the profile graphs
 GENERATE_PROFILE_SCORES = False
 
+# .. setting_name: GRADEBOOK_FREEZE_DAYS
+# .. setting_default: 30
+# .. setting_description: Sets the number of days after which the gradebook will freeze following the course's end.
+GRADEBOOK_FREEZE_DAYS = 30
+
 # Used with XQueue
 XQUEUE_WAITTIME_BETWEEN_REQUESTS = 5  # seconds
 XQUEUE_INTERFACE = {