diff --git a/aoc.py b/aoc.py
index db845b0..731f7e9 100644
--- a/aoc.py
+++ b/aoc.py
@@ -112,7 +112,7 @@ class AOCDay:
             return return_array
 
 
-def printSolution(day, part, solution, test=None, test_case=0, exec_time=None):
+def printSolution(day: int, part: int, solution: Any, test: bool = None, test_case: int = 0, exec_time: float = None):
     if exec_time is None:
         time_output = ""
     else: