diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..77f9f42
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "src/qiskit_algorithms"]
+	path = src/qiskit_algorithms
+	url = https://github.com/BrunoRosendo/qiskit-algorithms
diff --git a/src/main.py b/src/main.py
index 94e6c9e..e9db5bc 100644
--- a/src/main.py
+++ b/src/main.py
@@ -1,6 +1,6 @@
 from dotenv import load_dotenv
 
-from src.solver.qubo.CplexSolver import CplexSolver
+from src.solver.qubo.CplexSolver import CplexSolver, get_backend_sampler
 
 if __name__ == "__main__":
     load_dotenv()
@@ -16,6 +16,8 @@
             (0, 1, 6),
         ],
         True,
+        sampler=get_backend_sampler(),
+        warm_start=True,
     )
     result = cvrp.solve()
     result.print()
diff --git a/src/qiskit_algorithms b/src/qiskit_algorithms
new file mode 160000
index 0000000..a5df93a
--- /dev/null
+++ b/src/qiskit_algorithms
@@ -0,0 +1 @@
+Subproject commit a5df93a57fcee82b74d4057600de36ad93d1357c
diff --git a/src/solver/qubo/CplexSolver.py b/src/solver/qubo/CplexSolver.py
index 7ffcaea..4fc4796 100644
--- a/src/solver/qubo/CplexSolver.py
+++ b/src/solver/qubo/CplexSolver.py
@@ -4,7 +4,6 @@
 from docplex.util.status import JobSolveStatus
 from numpy import ndarray
 from qiskit.primitives import Sampler
-from qiskit_algorithms import QAOA
 from qiskit_algorithms.optimizers import COBYLA, Optimizer
 from qiskit_ibm_runtime import (
     QiskitRuntimeService,
@@ -28,6 +27,7 @@
 
 from src.model.VRPSolution import VRPSolution
 from src.model.adapter.CplexAdapter import CplexAdapter
+from src.qiskit_algorithms.qiskit_algorithms import QAOA
 from src.solver.qubo.QuboSolver import QuboSolver
 
 DEFAULT_SAMPLER = Sampler()