diff --git a/doc/requirements.txt b/doc/requirements.txt
index bb52688e..cea7bf98 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -24,3 +24,4 @@ pyriemann==0.6
 docplex>=2.21.207
 firebase_admin==6.5.0
 qiskit-symb
+symengine==0.11.0
diff --git a/setup.py b/setup.py
index b52edd1a..243bce8c 100644
--- a/setup.py
+++ b/setup.py
@@ -64,7 +64,7 @@
                       'tests': ['pytest', 'seaborn', 'flake8', 'mne', 'pooch'],
                       # GPU optimization not available on all platform.
                       # See https://github.com/Qiskit/qiskit-aer/issues/929#issuecomment-691716936
-                      'optim': ['qiskit-symb'],
+                      'optim': ['qiskit-symb', 'symengine==0.11.0'],
                       'optim_linux': ['qiskit-aer-gpu==0.15.0']},
       zip_safe=False,
 )