Django 2.0 version

journals/migrations/0063_auto_20190512_0918.py

+# Generated by Django 2.0.13 on 2019-05-12 07:18
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('journals', '0062_publicationproxymetadata'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='issue',
+            name='in_journal',
+            field=models.ForeignKey(blank=True, help_text='Assign either a Volume or Journal to the Issue', limit_choices_to={'structure': 'IO'}, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='issues', to='journals.Journal'),
+        ),
+        migrations.AlterField(
+            model_name='volume',
+            name='in_journal',
+            field=models.ForeignKey(limit_choices_to={'structure': 'IV'}, on_delete=django.db.models.deletion.CASCADE, related_name='volumes', to='journals.Journal'),
+        ),
+    ]

proceedings/migrations/0004_auto_20190512_0918.py

+# Generated by Django 2.0.13 on 2019-05-12 07:18
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('proceedings', '0003_auto_20190511_1141'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='proceedings',
+            name='fellowships',
+            field=models.ManyToManyField(blank=True, limit_choices_to={'guest': True}, related_name='proceedings', to='colleges.Fellowship'),
+        ),
+        migrations.AlterField(
+            model_name='proceedings',
+            name='issue',
+            field=models.OneToOneField(limit_choices_to=models.Q(('in_volume__in_journal__name', 'SciPostPhysProc'), ('in_journal__name', 'SciPostPhysProc'), _connector='OR'), on_delete=django.db.models.deletion.CASCADE, related_name='proceedings', to='journals.Issue'),
+        ),
+    ]

requirements.txt

 # Core
 argon2-cffi==16.3.0		# Password hashing algorithm
 Babel==2.4
-Django==1.11.20
+Django==2.0.13
 feedparser==5.2.1		# Check: not updated since 2016
 psycopg2==2.7.3  		# PostgreSQL engine
 pytz==2017.2			# Timezone package