diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 3c0f2b20629e..685d8914a2ef 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -163,8 +163,8 @@ stages:
             virtualenv test-job
             source test-job/bin/activate
             pip install -U -r requirements.txt -r requirements-dev.txt -c constraints.txt
-            pip install -c constraints.txt .
-            pip install "qiskit-aer" "z3-solver" -c constraints.txt
+            pip install -U -c constraints.txt .
+            pip install -U "qiskit-aer" "z3-solver" -c constraints.txt
             python setup.py build_ext --inplace
             sudo apt install -y graphviz
             pip check
@@ -229,8 +229,8 @@ stages:
             virtualenv test-job
             source test-job/bin/activate
             pip install -U -r requirements.txt -r requirements-dev.txt -c constraints.txt
-            pip install -c constraints.txt -e .
-            pip install "qiskit-aer" -c constraints.txt
+            pip install -U -c constraints.txt -e .
+            pip install -U "qiskit-aer" -c constraints.txt
             python setup.py build_ext --inplace
           displayName: 'Install dependencies'
         - bash: |
@@ -326,8 +326,8 @@ stages:
             virtualenv test-job
             source test-job/bin/activate
             pip install -U -r requirements.txt -r requirements-dev.txt -c constraints.txt
-            pip install -c constraints.txt -e .
-            pip install "qiskit-aer" -c constraints.txt
+            pip install -U -c constraints.txt -e .
+            pip install -U "qiskit-aer" -c constraints.txt
             python setup.py build_ext --inplace
             pip check
           displayName: 'Install dependencies'
@@ -399,7 +399,7 @@ stages:
             python -m pip install --upgrade pip setuptools wheel virtualenv
             virtualenv test-job
             source test-job/Scripts/activate
-            pip install -U -r requirements.txt -r requirements-dev.txt -c constraints.txt
+            pip install -r requirements.txt -r requirements-dev.txt -c constraints.txt
             pip install -c constraints.txt -e .
             pip install "z3-solver" -c constraints.txt
             python setup.py build_ext --inplace
@@ -479,8 +479,8 @@ stages:
             virtualenv test-job
             source test-job/bin/activate
             pip install -U -r requirements.txt -r requirements-dev.txt -c constraints.txt
-            pip install -c constraints.txt -e .
-            pip install "qiskit-aer" "z3-solver" -c constraints.txt
+            pip install -U -c constraints.txt -e .
+            pip install -U "qiskit-aer" "z3-solver" -c constraints.txt
             python setup.py build_ext --inplace
             sudo apt install -y graphviz
             pip check
@@ -559,7 +559,7 @@ stages:
             virtualenv test-job
             source test-job/bin/activate
             pip install -U -r requirements.txt -r requirements-dev.txt -c constraints.txt
-            pip install -c constraints.txt -e .
+            pip install -U -c constraints.txt -e .
             python setup.py build_ext --inplace
             pip check
           displayName: 'Install dependencies'
@@ -623,8 +623,8 @@ stages:
             git clone https://github.com/Qiskit/qiskit-tutorials --depth=1
             python -m pip install --upgrade pip
             pip install -U -r requirements.txt -r requirements-dev.txt -c constraints.txt
-            pip install -c constraints.txt -e .
-            pip install "qiskit-ibmq-provider" "qiskit-aer" "z3-solver" "git+https://github.com/Qiskit/qiskit-ignis" "qiskit-aqua" "pyscf<1.7.4" "matplotlib<3.3.0" sphinx nbsphinx sphinx_rtd_theme cvxpy -c constraints.txt
+            pip install -U -c constraints.txt -e .
+            pip install -U "qiskit-ibmq-provider" "qiskit-aer" "z3-solver" "git+https://github.com/Qiskit/qiskit-ignis" "qiskit-aqua" "pyscf<1.7.4" "matplotlib<3.3.0" sphinx nbsphinx sphinx_rtd_theme cvxpy -c constraints.txt
             python setup.py build_ext --inplace
             sudo apt install -y graphviz pandoc
             pip check
@@ -672,8 +672,8 @@ stages:
             set -e
             python -m pip install --upgrade pip
             pip install -U -r requirements.txt -c constraints.txt
-            pip install -c constraints.txt -e .
-            pip install "matplotlib<3.3.0" pylatexenc pillow
+            pip install -U -c constraints.txt -e .
+            pip install -U "matplotlib<3.3.0" pylatexenc pillow
             python setup.py build_ext --inplace
             sudo apt install -y graphviz pandoc
             pip check
diff --git a/constraints.txt b/constraints.txt
index e59514d442dd..717bc9f5ec5b 100644
--- a/constraints.txt
+++ b/constraints.txt
@@ -1,2 +1,3 @@
 docplex==2.15.194
 appnope==0.1.0
+numpy>=1.20.0 ; python_version>'3.6'
diff --git a/qiskit/opflow/converters/abelian_grouper.py b/qiskit/opflow/converters/abelian_grouper.py
index d8cc77a4b384..3dfb819206fb 100644
--- a/qiskit/opflow/converters/abelian_grouper.py
+++ b/qiskit/opflow/converters/abelian_grouper.py
@@ -13,7 +13,7 @@
 """AbelianGrouper Class"""
 
 from collections import defaultdict
-from typing import cast, List, Optional, Tuple, Union
+from typing import cast, List, Tuple, Union
 
 import numpy as np
 import retworkx as rx