diff --git a/app/models/problem.py b/app/models/problem.py
index 1179af4..f09812e 100644
--- a/app/models/problem.py
+++ b/app/models/problem.py
@@ -46,7 +46,7 @@ class Problem(BaseModel):
 
         # creating problem multi-objective functions
         objective_functions = solver_run.objective_function.for_problem(self, solver_run)
-        self.problem.sequentialSolve(objective_functions)
+        self.problem.sequentialSolve(objective_functions, None, None, pulp.COIN(gapRel=0.2, timeLimit=300))
 
         return self.problem