diff --git a/evennia/accounts/migrations/0012_defaultaccount_alter_accountdb_id_account_bot_and_more.py b/evennia/accounts/migrations/0012_defaultaccount_alter_accountdb_id_account_bot_and_more.py
new file mode 100644
index 0000000000..42a9bb4e63
--- /dev/null
+++ b/evennia/accounts/migrations/0012_defaultaccount_alter_accountdb_id_account_bot_and_more.py
@@ -0,0 +1,20 @@
+# Generated by Django 4.0.2 on 2022-10-31 19:20
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("accounts", "0011_convert_contrib_typeclass_paths"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="accountdb",
+            name="id",
+            field=models.BigAutoField(
+                auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
+            ),
+        ),
+    ]
diff --git a/evennia/comms/migrations/0022_defaultchannel_alter_channeldb_id_alter_msg_id_and_more.py b/evennia/comms/migrations/0022_defaultchannel_alter_channeldb_id_alter_msg_id_and_more.py
new file mode 100644
index 0000000000..d904711f34
--- /dev/null
+++ b/evennia/comms/migrations/0022_defaultchannel_alter_channeldb_id_alter_msg_id_and_more.py
@@ -0,0 +1,27 @@
+# Generated by Django 4.0.2 on 2022-10-31 19:20
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("comms", "0021_auto_20210520_2137"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="channeldb",
+            name="id",
+            field=models.BigAutoField(
+                auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
+            ),
+        ),
+        migrations.AlterField(
+            model_name="msg",
+            name="id",
+            field=models.BigAutoField(
+                auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
+            ),
+        ),
+    ]
diff --git a/evennia/help/migrations/0006_alter_helpentry_id.py b/evennia/help/migrations/0006_alter_helpentry_id.py
new file mode 100644
index 0000000000..486653d5ee
--- /dev/null
+++ b/evennia/help/migrations/0006_alter_helpentry_id.py
@@ -0,0 +1,20 @@
+# Generated by Django 4.0.2 on 2022-10-31 19:20
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("help", "0005_auto_20210530_1818"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="helpentry",
+            name="id",
+            field=models.BigAutoField(
+                auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
+            ),
+        ),
+    ]
diff --git a/evennia/objects/migrations/0013_defaultobject_alter_objectdb_id_defaultcharacter_and_more.py b/evennia/objects/migrations/0013_defaultobject_alter_objectdb_id_defaultcharacter_and_more.py
new file mode 100644
index 0000000000..08e29f50a9
--- /dev/null
+++ b/evennia/objects/migrations/0013_defaultobject_alter_objectdb_id_defaultcharacter_and_more.py
@@ -0,0 +1,20 @@
+# Generated by Django 4.0.2 on 2022-10-31 19:20
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("objects", "0012_convert_contrib_typeclass_paths"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="objectdb",
+            name="id",
+            field=models.BigAutoField(
+                auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
+            ),
+        ),
+    ]
diff --git a/evennia/scripts/migrations/0016_scriptbase_alter_scriptdb_id_defaultscript_and_more.py b/evennia/scripts/migrations/0016_scriptbase_alter_scriptdb_id_defaultscript_and_more.py
new file mode 100644
index 0000000000..30f9de0fbc
--- /dev/null
+++ b/evennia/scripts/migrations/0016_scriptbase_alter_scriptdb_id_defaultscript_and_more.py
@@ -0,0 +1,20 @@
+# Generated by Django 4.0.2 on 2022-10-31 19:20
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("scripts", "0015_convert_contrib_paths"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="scriptdb",
+            name="id",
+            field=models.BigAutoField(
+                auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
+            ),
+        ),
+    ]
diff --git a/evennia/server/migrations/0003_alter_serverconfig_id.py b/evennia/server/migrations/0003_alter_serverconfig_id.py
new file mode 100644
index 0000000000..4389a607e0
--- /dev/null
+++ b/evennia/server/migrations/0003_alter_serverconfig_id.py
@@ -0,0 +1,20 @@
+# Generated by Django 4.0.2 on 2022-10-31 19:20
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("server", "0002_auto_20190128_2311"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="serverconfig",
+            name="id",
+            field=models.BigAutoField(
+                auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
+            ),
+        ),
+    ]
diff --git a/evennia/settings_default.py b/evennia/settings_default.py
index b76b4c1a4e..85f5d46c0c 100644
--- a/evennia/settings_default.py
+++ b/evennia/settings_default.py
@@ -301,8 +301,10 @@ ATTRIBUTE_STORED_MODEL_RENAME = [
     (("players", "playerdb"), ("accounts", "accountdb")),
     (("typeclasses", "defaultplayer"), ("typeclasses", "defaultaccount")),
 ]
-# Default type of autofield (required by Django)
-DEFAULT_AUTO_FIELD = "django.db.models.AutoField"
+# Default type of autofield (required by Django), which defines the type of
+# primary key fields for all tables. This type is guaranteed to be at least a
+# 64-bit integer.
+DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"
 
 ######################################################################
 # Evennia webclient options
diff --git a/evennia/typeclasses/migrations/0016_alter_attribute_id_alter_tag_id.py b/evennia/typeclasses/migrations/0016_alter_attribute_id_alter_tag_id.py
new file mode 100644
index 0000000000..f753beb832
--- /dev/null
+++ b/evennia/typeclasses/migrations/0016_alter_attribute_id_alter_tag_id.py
@@ -0,0 +1,27 @@
+# Generated by Django 4.0.2 on 2022-10-31 19:20
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("typeclasses", "0015_alter_attribute_options"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="attribute",
+            name="id",
+            field=models.BigAutoField(
+                auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
+            ),
+        ),
+        migrations.AlterField(
+            model_name="tag",
+            name="id",
+            field=models.BigAutoField(
+                auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
+            ),
+        ),
+    ]