diff --git a/web/src/padelnomics/scripts/seed_dev_data.py b/web/src/padelnomics/scripts/seed_dev_data.py
index a4d2fcd..96dfe37 100644
--- a/web/src/padelnomics/scripts/seed_dev_data.py
+++ b/web/src/padelnomics/scripts/seed_dev_data.py
@@ -308,6 +308,13 @@ def main():
         dev_user_id = cursor.lastrowid
         print(f"  Created (id={dev_user_id})")
 
+    # Grant admin role to dev user
+    conn.execute(
+        "INSERT OR IGNORE INTO user_roles (user_id, role) VALUES (?, 'admin')",
+        (dev_user_id,),
+    )
+    print("  Admin role granted")
+
     # 2. Seed suppliers
     print(f"\nSeeding {len(SUPPLIERS)} suppliers...")
     supplier_ids = {}