diff --git a/src/scripts/set_spam_all_contactmessages.py b/src/scripts/set_spam_all_contactmessages.py
new file mode 100644
index 0000000..3dd6671
--- /dev/null
+++ b/src/scripts/set_spam_all_contactmessages.py
@@ -0,0 +1,5 @@
+from agenda_culturel.models import ContactMessage
+
+
+def run():
+    ContactMessage.objects.all().update(spam=True)