diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index b66392b6bb3..faa1603d1f3 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -14,6 +14,10 @@ Change Log
 Unreleased
 ~~~~~~~~~~
 
+[4.3.1] - 2021-10-28
+~~~~~~~~~~~~~~~~~~~~
+* Set the to be retired column video_url on ProctoredExamSoftwareSecureReview to be nullable.
+
 [4.3.0] - 2021-10-28
 ~~~~~~~~~~~~~~~~~~~~
 * Upgrade the requirements and move edx-proctoring to be on Django 3.2 instead of Django 2.2
diff --git a/edx_proctoring/__init__.py b/edx_proctoring/__init__.py
index 1c1ca31b2f1..6544bdb4edd 100644
--- a/edx_proctoring/__init__.py
+++ b/edx_proctoring/__init__.py
@@ -3,6 +3,6 @@
 """
 
 # Be sure to update the version number in edx_proctoring/package.json
-__version__ = '4.3.0'
+__version__ = '4.3.1'
 
 default_app_config = 'edx_proctoring.apps.EdxProctoringConfig'  # pylint: disable=invalid-name
diff --git a/edx_proctoring/admin.py b/edx_proctoring/admin.py
index cfe2499bae7..8ff858212ee 100644
--- a/edx_proctoring/admin.py
+++ b/edx_proctoring/admin.py
@@ -313,13 +313,6 @@ def save_model(self, request, obj, form, change):
         obj.reviewed_by = request.user
         obj.save()
 
-    def get_form(self, request, obj=None, change=False, **kwargs):
-        """ Returns software secure review form """
-        form = super().get_form(request, obj, change, **kwargs)
-        if 'video_url' in form.base_fields:
-            del form.base_fields['video_url']
-        return form
-
     def lookup_allowed(self, lookup, value):
         """ Checks if lookup allowed or not """
         if lookup == 'exam__course_id':
diff --git a/edx_proctoring/migrations/0020_auto_20211028_1915.py b/edx_proctoring/migrations/0020_auto_20211028_1915.py
new file mode 100644
index 00000000000..602abf2519d
--- /dev/null
+++ b/edx_proctoring/migrations/0020_auto_20211028_1915.py
@@ -0,0 +1,23 @@
+# Generated by Django 2.2.24 on 2021-10-28 19:15
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('edx_proctoring', '0019_proctoredexamsoftwaresecurereview_encrypted_video_url'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='proctoredexamsoftwaresecurereview',
+            name='video_url',
+            field=models.TextField(null=True),
+        ),
+        migrations.AlterField(
+            model_name='proctoredexamsoftwaresecurereviewhistory',
+            name='video_url',
+            field=models.TextField(null=True),
+        ),
+    ]
diff --git a/edx_proctoring/models.py b/edx_proctoring/models.py
index e54eaa5ad36..35ae9508d1b 100644
--- a/edx_proctoring/models.py
+++ b/edx_proctoring/models.py
@@ -774,7 +774,7 @@ class ProctoredExamSoftwareSecureReview(TimeStampedModel):
     # URL for the exam video that had been reviewed
     # NOTE: To be deleted in future release, once the code that depends on it
     # has been removed
-    video_url = models.TextField()
+    video_url = models.TextField(null=True)
 
     # Encrypted URL for the exam video that had been reviewed
     encrypted_video_url = models.BinaryField(null=True)
@@ -850,7 +850,7 @@ class ProctoredExamSoftwareSecureReviewHistory(TimeStampedModel):
     raw_data = models.TextField()
 
     # URL for the exam video that had been reviewed
-    video_url = models.TextField()
+    video_url = models.TextField(null=True)
 
     # user_id of person who did the review (can be None if submitted via server-to-server API)
     reviewed_by = models.ForeignKey(USER_MODEL, null=True, related_name='+', on_delete=models.CASCADE)
diff --git a/package.json b/package.json
index cfaff6b8541..2489c97d9c0 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@edx/edx-proctoring",
   "//": "Note that the version format is slightly different than that of the Python version when using prereleases.",
-  "version": "4.3.0",
+  "version": "4.3.1",
   "main": "edx_proctoring/static/index.js",
   "scripts": {
     "test": "gulp test"