diff --git a/api/advent22_api/config.py b/api/advent22_api/config.py
index b1e1ac6..43bc9ff 100644
--- a/api/advent22_api/config.py
+++ b/api/advent22_api/config.py
@@ -10,9 +10,13 @@ class User(BaseModel):
     password: str
 
 
+class Puzzle(BaseModel):
+    solution: str
+
+
 class Config(BaseModel):
     admin: User
-    solution: str
+    puzzle: Puzzle
 
 
 async def get_config() -> Config:
diff --git a/api/advent22_api/routers/_misc.py b/api/advent22_api/routers/_misc.py
index 9780670..68a929e 100644
--- a/api/advent22_api/routers/_misc.py
+++ b/api/advent22_api/routers/_misc.py
@@ -17,7 +17,7 @@ from ._image import AdventImage
 
 async def get_rnd(bonus_salt: Any = "") -> random.Random:
     cfg = await get_config()
-    return random.Random(f"{cfg.solution}{bonus_salt}")
+    return random.Random(f"{cfg.puzzle.solution}{bonus_salt}")
 
 
 async def set_length(seq: Sequence, length: int) -> list:
@@ -44,7 +44,7 @@ async def get_letter(
     index: int,
     cfg: Config = Depends(get_config),
 ) -> str:
-    return (await shuffle(cfg.solution))[index]
+    return (await shuffle(cfg.puzzle.solution))[index]
 
 
 _RE_IMAGE_FILE = re.compile(
diff --git a/api/advent22_api/routers/days.py b/api/advent22_api/routers/days.py
index a17ff98..d564d86 100644
--- a/api/advent22_api/routers/days.py
+++ b/api/advent22_api/routers/days.py
@@ -15,8 +15,8 @@ router = APIRouter(prefix="/days", tags=["days"])
 @router.on_event("startup")
 async def startup() -> None:
     cfg = await get_config()
-    print(cfg.solution)
-    print("".join(await shuffle(cfg.solution)))
+    print(cfg.puzzle.solution)
+    print("".join(await shuffle(cfg.puzzle.solution)))
 
 
 @router.get("/letter/{index}")
@@ -24,7 +24,7 @@ async def get_letter(
     index: int,
     cfg: Config = Depends(get_config),
 ) -> str:
-    return (await shuffle(cfg.solution))[index]
+    return (await shuffle(cfg.puzzle.solution))[index]
 
 
 @router.get("/date")