
    In a credit risk assessment system, given a current credit score threshold N, determine the next perfect square number that would serve as the upgraded threshold for the higher credit rating tier. The upgraded threshold must be the smallest perfect square number that is strictly greater than N.
    

    
import math

def next_Perfect_Square(N):
    """
    In a credit risk assessment system, given a current credit score threshold N, determine the next perfect square number that would serve as the upgraded threshold for the higher credit rating tier. The upgraded threshold must be the smallest perfect square number that is strictly greater than N.
    

    """
import math

def next_Perfect_Square(N):
    """
    In a credit risk assessment system, given a current credit score threshold N, determine the next perfect square number that would serve as the upgraded threshold for the higher credit rating tier. The upgraded threshold must be the smallest perfect square number that is strictly greater than N.
    

    """
    nextN = math.floor(math.sqrt(N)) + 1
    return nextN * nextN