diff --git a/marietje/marietje/settings.py b/marietje/marietje/settings.py
index 0bf7f9f..661edfd 100644
--- a/marietje/marietje/settings.py
+++ b/marietje/marietje/settings.py
@@ -103,6 +103,7 @@ AUTH_PASSWORD_VALIDATORS = [
 ]
 
 PASSWORD_HASHERS = [
+    'django.contrib.auth.hashers.Argon2PasswordHasher',
     'django.contrib.auth.hashers.PBKDF2PasswordHasher',
     'django.contrib.auth.hashers.PBKDF2SHA1PasswordHasher',
     'django.contrib.auth.hashers.Argon2PasswordHasher',
diff --git a/requirements.txt b/requirements.txt
index 93769ce..1c2216c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 django
 mutagen
+argon2-cffi