diff --git a/apps/participation/admin.py b/apps/participation/admin.py
index acef641..54d4662 100644
--- a/apps/participation/admin.py
+++ b/apps/participation/admin.py
@@ -4,7 +4,7 @@
 from django.contrib import admin
 from django.utils.translation import gettext_lazy as _
 
-from .models import Participation, Pool, Solution, Synthesis, Team, Tournament
+from .models import Participation, Passage, Pool, Solution, Synthesis, Team, Tournament
 
 
 @admin.register(Team)
@@ -31,6 +31,11 @@ class PoolAdmin(admin.ModelAdmin):
     search_fields = ('participations__team__name', 'participations__team__trigram',)
 
 
+@admin.register(Passage)
+class PassageAdmin(admin.ModelAdmin):
+    search_fields = ('pool__participations__team__name', 'pool__participations__team__trigram',)
+
+
 @admin.register(Solution)
 class SolutionAdmin(admin.ModelAdmin):
     list_display = ('participation',)
diff --git a/apps/registration/admin.py b/apps/registration/admin.py
index de6c4a1..04486cb 100644
--- a/apps/registration/admin.py
+++ b/apps/registration/admin.py
@@ -2,9 +2,10 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.contrib import admin
+from django.contrib.admin import ModelAdmin
 from polymorphic.admin import PolymorphicChildModelAdmin, PolymorphicParentModelAdmin
 
-from .models import AdminRegistration, CoachRegistration, Registration, StudentRegistration
+from .models import AdminRegistration, CoachRegistration, Payment, Registration, StudentRegistration
 
 
 @admin.register(Registration)
@@ -27,3 +28,10 @@ class CoachRegistrationAdmin(PolymorphicChildModelAdmin):
 @admin.register(AdminRegistration)
 class AdminRegistrationAdmin(PolymorphicChildModelAdmin):
     pass
+
+
+@admin.register(Payment)
+class PaymentAdmin(ModelAdmin):
+    list_display = ('registration', 'type', 'valid', )
+    search_fields = ('registration__user__last_name', 'registration__user__first_name', 'registration__user__email',)
+    list_filter = ('type', 'valid',)