diff --git a/collector/tests.py b/collector/tests.py
index 2d64ecd..4b9e55a 100644
--- a/collector/tests.py
+++ b/collector/tests.py
@@ -1,18 +1,18 @@
-from django.urls import reverse
 import pytest
-
 from django.test import Client
+from django.urls import reverse
+from hypothesis import given, strategies as st
 
 from .models import Teil
 
 
-def test_submitted_data_ends_up_in_database(client: Client):
-    data = "Test Diode 0815 grün"
+@given(data=st.text(alphabet=st.characters(exclude_categories=["C"])))
+def test_submitted_data_ends_up_in_database(data, session: Client):
 
     with pytest.raises(Teil.DoesNotExist):
         Teil.objects.get(name=data)
 
-    response = client.post(reverse("collector:enter"), data={"new_name": data})
+    response = session.post(reverse("collector:enter"), data={"new_name": data})
 
     assert response.status_code == 302
     assert Teil.objects.get(name=data)
diff --git a/requirements/dev.in b/requirements/dev.in
index 402c19e..154c08f 100644
--- a/requirements/dev.in
+++ b/requirements/dev.in
@@ -2,6 +2,7 @@
 
 django-extensions
 django-stubs
+hypothesis[django]
 ipython
 pip-compile-multi
 pytest
diff --git a/requirements/dev.txt b/requirements/dev.txt
index c0e7216..5cca5aa 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -1,4 +1,4 @@
-# SHA1:8c7b1dcee98fe0d76082d6a9af130adb2b2c5c9b
+# SHA1:d0cece8f6bf419b959d3618afd4e5760e5a40a9a
 #
 # This file is autogenerated by pip-compile-multi
 # To update, run:
@@ -7,6 +7,7 @@
 #
 -r base.txt
 asttokens==3.0.0
+attrs==25.3.0
 build==1.2.2.post1
 click==8.1.8
 decorator==5.2.1
@@ -14,6 +15,7 @@ django-extensions==3.2.3
 django-stubs==5.1.3
 django-stubs-ext==5.1.3
 executing==2.2.0
+hypothesis==6.129.0
 iniconfig==2.0.0
 ipython==9.0.2
 ipython-pygments-lexers==1.1.1
@@ -35,6 +37,7 @@ pytest==8.3.5
 pytest-django==4.10.0
 ruff==0.9.10
 setuptools==76.0.0
+sortedcontainers==2.4.0
 stack-data==0.6.3
 toposort==1.10
 traitlets==5.14.3