diff --git a/doc/requirements.txt b/doc/requirements.txt
index 4c11abfb..1a9b95b9 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -10,7 +10,7 @@ pandas
 cvxpy==1.3.0
 git+https://github.com/Qiskit/qiskit-machine-learning#egg=qiskit_machine_learning
 qiskit-ibmq-provider==0.20.0
-qiskit-optimization==0.4.0
+qiskit-optimization==0.5.0
 scipy==1.7.3
 moabb>=0.4.6
 git+https://github.com/pyRiemann/pyRiemann#egg=pyriemann
diff --git a/requirements.txt b/requirements.txt
index 060ebde3..274e55e4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ cython
 git+https://github.com/pyRiemann/pyRiemann#egg=pyriemann
 git+https://github.com/Qiskit/qiskit-machine-learning#egg=qiskit_machine_learning
 qiskit-ibmq-provider==0.20.0
-qiskit-optimization==0.4.0
+qiskit-optimization==0.5.0
 cvxpy==1.3.0
 docplex>=2.21.207
 firebase_admin==6.0.1
diff --git a/setup.py b/setup.py
index 10bc45d6..e7d9bdaa 100644
--- a/setup.py
+++ b/setup.py
@@ -36,7 +36,7 @@
       install_requires=['cython', 'pyriemann==0.3',
                         'qiskit_machine_learning==0.5.0',
                         'qiskit-ibmq-provider==0.20.0',
-                        'qiskit-optimization==0.4.0',
+                        'qiskit-optimization==0.5.0',
                         'cvxpy==1.3.0',
                         'scipy==1.7.3',
                         'docplex>=2.21.207',