diff --git a/src/economy/factories.py b/src/economy/factories.py
index 21dac6f1e..84b0ec19b 100644
--- a/src/economy/factories.py
+++ b/src/economy/factories.py
@@ -3,6 +3,7 @@
 import random
 
 import factory
+import faker
 from django.contrib.auth.models import User
 from django.utils import timezone
 from utils.slugs import unique_slugify
@@ -29,6 +30,7 @@
 from .models import ZettleBalance
 from .models import ZettleReceipt
 
+fake = faker.Faker()
 
 class BankFactory(factory.django.DjangoModelFactory):
     class Meta:
@@ -202,10 +204,7 @@ class CoinifyBalanceFactory(factory.django.DjangoModelFactory):
     class Meta:
         model = CoinifyBalance
 
-    date = factory.Faker(
-        "date_between",
-        start_date="-6y",
-    )  # 1 in ~49 chance of collision, feeling lucky? :)
+    date = factory.Sequence(lambda _: fake.unique.date_between(start_date="-6y"))
     btc = factory.Faker("pydecimal", right_digits=8, min_value=1, max_value=4)
     dkk = factory.Faker("pydecimal", right_digits=2, min_value=100, max_value=10000)
     eur = factory.Faker("pydecimal", right_digits=2, min_value=100, max_value=10000)
diff --git a/src/events/factories.py b/src/events/factories.py
index 169d3380a..0ae924d36 100644
--- a/src/events/factories.py
+++ b/src/events/factories.py
@@ -28,8 +28,8 @@ class Meta:
 
         model = SpeakerProposal
 
-    name = factory.Faker("name")
-    email = factory.Faker("email")
+    name = factory.Sequence(lambda _: fake.unique.name()) 
+    email = factory.Sequence(lambda _: fake.unique.email())
     biography = output_fake_md_description()
     submission_notes = factory.Iterator(["", output_fake_description()])
     needs_oneday_ticket = factory.Iterator([True, False])