diff --git a/README.md b/README.md
index 3473c9b..f27a6ac 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ After these are installed, you may install `curvelops` with:
 ```bash
 export FFTW=/path/to/fftw-2.1.5
 export FDCT=/path/to/CurveLab-2.1.3
-python3 -m pip install git+https://github.com/PyLops/curvelops@0.22.2
+python3 -m pip install git+https://github.com/PyLops/curvelops@0.23
 ```
 
 as long as you are using a `pip>=10.0`. To check, run `python3 -m pip --version`.
diff --git a/docssrc/source/installation.rst b/docssrc/source/installation.rst
index 1782cd9..5ff95d0 100644
--- a/docssrc/source/installation.rst
+++ b/docssrc/source/installation.rst
@@ -61,7 +61,7 @@ Once FFTW and CurveLab are installed, install Curvelops with:
 
     $ export FFTW=/path/to/fftw-2.1.5
     $ export FDCT=/path/to/CurveLab-2.1.3
-    $ python3 -m pip install git+https://github.com/PyLops/curvelops@0.21
+    $ python3 -m pip install git+https://github.com/PyLops/curvelops@0.23
 
 The ``FFTW`` variable is the same as ``FFTW_DIR`` as provided in the CurveLab
 installation. The ``FDCT`` variable points to the root of the CurveLab
diff --git a/setup.py b/setup.py
index 216b21c..91ac4ac 100644
--- a/setup.py
+++ b/setup.py
@@ -117,6 +117,7 @@
         "numpy>=1.21.0",
         "scipy>=1.9.1; python_version >= '3.9'",
         "pylops>=2.0",
+        "matplotlib",
     ],
     setup_requires=[
         "pybind11>=2.6.0; python_version < '3.10'",