diff --git a/common/settings.py b/common/settings.py
index 914fd89..f6532e1 100644
--- a/common/settings.py
+++ b/common/settings.py
@@ -25,7 +25,7 @@ DEFAULT_AUTO_FIELD = 'django.db.models.AutoField'
 
 TIME_ZONE = 'Europe/Zurich'
 
-LANGUAGE_CODE = 'fr'
+LANGUAGE_CODE = 'fr-ch'
 
 USE_I18N = True
 
diff --git a/requirements.txt b/requirements.txt
index a92d67a..4c2b1e3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,7 @@
-Django~=4.2.0
+django~=5.2.0
+psycopg
 tabimport==0.5.1
 xlrd<2  # Required by tabimport
-openpyxl==3.1.2
+openpyxl==3.1.5
 reportlab
 django-summernote==0.8.20.0
diff --git a/stages/pdf.py b/stages/pdf.py
index 71c0588..5524fce 100644
--- a/stages/pdf.py
+++ b/stages/pdf.py
@@ -470,7 +470,7 @@ class ExpertEdeLetterPdf(CompensationForm, EpcBaseDocTemplate):
             "CPNE Pôle Santé et Social, rue Sophie-Mairet 29-31 - 2300 La Chaux-de-Fonds<br/><br/>"
         )
         self.story.append(Paragraph(date_text.format(
-            date=django_format(exam_data['date_exam'], 'l j F Y à H\hi'),
+            date=django_format(exam_data['date_exam'], r'l j F Y à H\hi'),
             salle=exam_data['room'],
         ), style_bold_center))