diff --git a/requirements.txt b/requirements.txt
index 325523ef..f605dbd2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,3 @@
-hciplot>=0.2.1
 numpy
 scipy
 astropy
@@ -14,4 +13,5 @@ psutil
 pyprind
 munch
 nbsphinx
-opencv-python
\ No newline at end of file
+opencv-python
+hciplot>=0.2.1
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 793a2b85..2af141f8 100644
--- a/setup.py
+++ b/setup.py
@@ -3,10 +3,19 @@
 import os
 import re
 from setuptools import setup
-try:  # pip >= 10
+try:
+    # pip >=20
+    from pip._internal.network.session import PipSession
     from pip._internal.req import parse_requirements
-except ImportError:  # pip <= 9.0.3
-    from pip.req import parse_requirements
+except ImportError:
+    try:
+        # 10.0.0 <= pip <= 19.3.1
+        from pip._internal.download import PipSession
+        from pip._internal.req import parse_requirements
+    except ImportError:
+        # pip <= 9.0.3
+        from pip.download import PipSession
+        from pip.req import parse_requirements
 from setuptools.command.install import install
 from setuptools.command.develop import develop
 
@@ -36,16 +45,12 @@ def resource(*args):
 
 
 # parse_requirements() returns generator of pip.req.InstallRequirement objects
-reqs = parse_requirements(resource('requirements.txt'), session=False)
-try:
-    reqs = [str(ir.req) for ir in reqs]
-except:
-    reqs = [str(ir.requirement) for ir in reqs]
-reqs_dev = parse_requirements(resource('requirements-dev.txt'), session=False)
-try:
-    reqs_dev = [str(ir.req) for ir in reqs_dev]
-except:
-    reqs_dev = [str(ir.requirement) for ir in reqs_dev]    
+reqs = parse_requirements(resource('requirements.txt'), session=PipSession)
+requirements = [str(ir.requirement) for ir in reqs]    
+
+reqs_dev = parse_requirements(resource('requirements-dev.txt'), 
+                              session=PipSession)
+requirements_dev = [str(ir.requirement) for ir in reqs_dev]    
 
 with open(resource('README.rst')) as readme_file:
     README = readme_file.read()
@@ -80,8 +85,8 @@ def resource(*args):
     cmdclass={'install': InstallReqs,
               'develop': InstallDevReqs},
     packages=PACKAGES,
-    install_requires=reqs,
-    extras_require={"dev": reqs_dev},
+    install_requires=requirements,
+    extras_require={"dev": requirements_dev},
     zip_safe=False,
     classifiers=['Intended Audience :: Science/Research',
                  'License :: OSI Approved :: MIT License',
diff --git a/vip_hci/__init__.py b/vip_hci/__init__.py
index 8d9672f9..9e578d6c 100644
--- a/vip_hci/__init__.py
+++ b/vip_hci/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "1.2.2"
+__version__ = "1.2.3"
 
 from . import preproc
 from . import config