diff --git a/GUESTS.md b/GUESTS.md
index 6b1be66..a93f79b 100644
--- a/GUESTS.md
+++ b/GUESTS.md
@@ -16,11 +16,11 @@ Anzahl Gruppen: **41**
 | Marie & Kai | guest | `Mari&Kai24!#` | Marie, Kai |
 | Familie Olsem | guest | `Olse!Fam24#?` | Laura, Sven, Lena, Finn |
 | Maxime | guest | `Maxi#Love24!` | Maxime |
-| Familie Löster | guest | `Loes@Ring24#` | Claudia, Mario, Mélodie |
+| Familie Löster | guest | `Loes@Ring24#` | Claudia, Mario, Mélodie, Julian |
 | Familie Thiels | guest | `Thie$Fest24!` | Matthias, Opa Bernd, Oma Heidi |
 | Familie Gollor | guest | `Goll%Herz24!` | Michael, Christin, Bruno |
 | Monika | guest | `Moni!Rose24#` | Monika |
-| Familie Konrad | guest | `Konr#Fest24!` | Michael, Sandra, Christoph, Alexander |
+| Familie Konrad | guest | `Konr#Fest24!` | Michael, Sandra, Christoph, Alexander, Merle |
 | Mark | guest | `Mark!Gold24#` | Mark |
 | Elias | guest | `Elia$Ring24!` | Elias |
 | Milan | guest | `Mila#Tanz24!` | Milan, Anna |
diff --git a/README.md b/README.md
index 18d4639..19ff1fa 100644
--- a/README.md
+++ b/README.md
@@ -542,7 +542,7 @@ Maxime
 Mitglieder: Maxime, Freund
 
 Familie Löster
-Mitglieder: Claudia, Mario, Mélodie
+Mitglieder: Claudia, Mario, Mélodie, Julian
 
 Familie Thiels
 Mitglieder: Matthias, Opa Bernd, Oma Heidi
@@ -554,7 +554,7 @@ Monika
 Mitglieder: Monika
 
 Familie Konrad
-Mitglieder: Michael, Sandra, Christoph, Alexander
+Mitglieder: Michael, Sandra, Christoph, Alexander, Merle
 
 Mark
 Mitglieder: Mark
diff --git a/backend/app.py b/backend/app.py
index da20f16..a75001c 100644
--- a/backend/app.py
+++ b/backend/app.py
@@ -102,7 +102,7 @@ DEFAULT_INVITATION_GROUPS = [
         "name": "Familie Löster",
         "password": "Loes@Ring24#",
         "role": "guest",
-        "members": ["Claudia", "Mario", "Mélodie"],
+        "members": ["Claudia", "Mario", "Mélodie", "Julian"],
     },
     {
         "name": "Familie Thiels",
@@ -121,7 +121,7 @@ DEFAULT_INVITATION_GROUPS = [
         "name": "Familie Konrad",
         "password": "Konr#Fest24!",
         "role": "guest",
-        "members": ["Michael", "Sandra", "Christoph", "Alexander"],
+        "members": ["Michael", "Sandra", "Christoph", "Alexander", "Merle"],
     },
     {"name": "Mark", "password": "Mark!Gold24#", "role": "guest", "members": ["Mark"]},
     {"name": "Elias", "password": "Elia$Ring24!", "role": "guest", "members": ["Elias"]},
diff --git a/backend/app.sqlite3 b/backend/app.sqlite3
index f0a43cb..0214a38 100644
Binary files a/backend/app.sqlite3 and b/backend/app.sqlite3 differ
diff --git a/data/db/app.sqlite3 b/data/db/app.sqlite3
index 147cbaf..b2c65cc 100644
Binary files a/data/db/app.sqlite3 and b/data/db/app.sqlite3 differ