diff --git a/.github/workflows/fast-model-mpi-explosion.yml b/.github/workflows/fast-model-mpi-explosion.yml
index b579ef7cf..d26d72506 100644
--- a/.github/workflows/fast-model-mpi-explosion.yml
+++ b/.github/workflows/fast-model-mpi-explosion.yml
@@ -20,7 +20,7 @@ jobs:
         pip3 install pytest pytest-cov pytest-randomly coverage black
         # TODO: Remove fixed numpy and pynn versions after the PyNN pull request
         # https://github.com/NeuralEnsemble/PyNN/pull/762 is accepted
-        pip3 install numpy==1.23.5 scipy mpi4py matplotlib quantities lazyarray interval Pillow param==1.5.1 parameters neo cython pynn==0.10.0 psutil future requests elephant pytest-xdist pytest-timeout junitparser numba
+        pip3 install numpy==1.23.5 scipy mpi4py matplotlib quantities lazyarray interval Pillow param==1.5.1 parameters neo cython pynn==0.10.0 psutil future requests elephant pytest-xdist pytest-timeout junitparser numba numpyencoder sphinx
     - name: Download and install imagen
       run: |
         git clone https://github.com/antolikjan/imagen.git
diff --git a/.github/workflows/fast-model-mpi.yml b/.github/workflows/fast-model-mpi.yml
index d389e59ef..fcc6f3a82 100644
--- a/.github/workflows/fast-model-mpi.yml
+++ b/.github/workflows/fast-model-mpi.yml
@@ -20,7 +20,7 @@ jobs:
         pip3 install pytest pytest-cov pytest-randomly coverage black
         # TODO: Remove fixed numpy and pynn versions after the PyNN pull request
         # https://github.com/NeuralEnsemble/PyNN/pull/762 is accepted
-        pip3 install numpy==1.23.5 scipy mpi4py matplotlib quantities lazyarray interval Pillow param==1.5.1 parameters neo cython pynn==0.10.0 psutil future requests elephant pytest-xdist pytest-timeout junitparser numba
+        pip3 install numpy==1.23.5 scipy mpi4py matplotlib quantities lazyarray interval Pillow param==1.5.1 parameters neo cython pynn==0.10.0 psutil future requests elephant pytest-xdist pytest-timeout junitparser numba numpyencoder sphinx
     - name: Download and install imagen
       run: |
         git clone https://github.com/antolikjan/imagen.git
diff --git a/.github/workflows/fast-model-stepcurrentmodule.yml b/.github/workflows/fast-model-stepcurrentmodule.yml
index 09428621b..2df5c6492 100644
--- a/.github/workflows/fast-model-stepcurrentmodule.yml
+++ b/.github/workflows/fast-model-stepcurrentmodule.yml
@@ -19,7 +19,7 @@ jobs:
         pip3 install pytest pytest-cov pytest-randomly coverage black
         # TODO: Remove fixed numpy and pynn versions after the PyNN pull request
         # https://github.com/NeuralEnsemble/PyNN/pull/762 is accepted
-        pip3 install numpy==1.23.5 scipy mpi4py matplotlib quantities lazyarray interval Pillow param==1.5.1 parameters neo cython psutil future requests elephant pytest-xdist pytest-timeout junitparser numba
+        pip3 install numpy==1.23.5 scipy mpi4py matplotlib quantities lazyarray interval Pillow param==1.5.1 parameters neo cython psutil future requests elephant pytest-xdist pytest-timeout junitparser numba numpyencoder sphinx
 
     - name: Download and install imagen
       run: |
diff --git a/.github/workflows/fast-model.yml b/.github/workflows/fast-model.yml
index d41318a7f..c8475681a 100644
--- a/.github/workflows/fast-model.yml
+++ b/.github/workflows/fast-model.yml
@@ -19,7 +19,7 @@ jobs:
         pip3 install pytest pytest-cov pytest-randomly coverage black
         # TODO: Remove fixed numpy and pynn versions after the PyNN pull request
         # https://github.com/NeuralEnsemble/PyNN/pull/762 is accepted
-        pip3 install numpy==1.23.5 scipy mpi4py matplotlib quantities lazyarray interval Pillow param==1.5.1 parameters neo cython pynn==0.10.0 psutil future requests elephant pytest-xdist pytest-timeout junitparser numba
+        pip3 install numpy==1.23.5 scipy mpi4py matplotlib quantities lazyarray interval Pillow param==1.5.1 parameters neo cython pynn==0.10.0 psutil future requests elephant pytest-xdist pytest-timeout junitparser numba numpyencoder sphinx
 
     - name: Download and install imagen
       run: |
diff --git a/.github/workflows/lsv1m-model.yml b/.github/workflows/lsv1m-model.yml
index 941bae903..ae6ceaaae 100644
--- a/.github/workflows/lsv1m-model.yml
+++ b/.github/workflows/lsv1m-model.yml
@@ -19,7 +19,7 @@ jobs:
         pip3 install pytest pytest-cov pytest-randomly coverage black
         # TODO: Remove fixed numpy and pynn versions after the PyNN pull request
         # https://github.com/NeuralEnsemble/PyNN/pull/762 is accepted
-        pip3 install numpy==1.23.5 scipy mpi4py matplotlib quantities lazyarray interval Pillow param==1.5.1 parameters neo cython pynn==0.10.0 psutil future requests elephant pytest-xdist pytest-timeout junitparser numba
+        pip3 install numpy==1.23.5 scipy mpi4py matplotlib quantities lazyarray interval Pillow param==1.5.1 parameters neo cython pynn==0.10.0 psutil future requests elephant pytest-xdist pytest-timeout junitparser numba numpyencoder sphinx
 
     - name: Download and install imagen
       run: |
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index b969b8411..29aceccee 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -19,7 +19,7 @@ jobs:
         pip3 install pytest pytest-cov pytest-randomly coverage black
         # TODO: Remove fixed numpy and pynn versions after the PyNN pull request
         # https://github.com/NeuralEnsemble/PyNN/pull/762 is accepted
-        pip3 install numpy==1.23.5 scipy mpi4py matplotlib quantities lazyarray interval Pillow param==1.5.1 parameters neo cython pynn==0.10.0 psutil future requests elephant pytest-xdist pytest-timeout junitparser numba
+        pip3 install numpy==1.23.5 scipy mpi4py matplotlib quantities lazyarray interval Pillow param==1.5.1 parameters neo cython pynn==0.10.0 psutil future requests elephant pytest-xdist pytest-timeout junitparser numba numpyencoder sphinx
 
     - name: Download and install imagen
       run: |
diff --git a/README.rst b/README.rst
index 34527f271..4dcece344 100644
--- a/README.rst
+++ b/README.rst
@@ -51,7 +51,7 @@ ____________
  
 Now you can install all other dependencies in this protected environment::
 
-  pip3 install numpy==1.23.5 scipy mpi4py matplotlib quantities lazyarray interval Pillow param==1.5.1 parameters neo cython psutil future requests elephant pytest-xdist pytest-timeout junitparser numba
+  pip3 install numpy==1.23.5 scipy mpi4py matplotlib quantities lazyarray interval Pillow param==1.5.1 parameters neo cython psutil future requests elephant pytest-xdist pytest-timeout junitparser numba numpyencoder sphinx
 
 Next we will manually install several packages. It is probably the best if you create a separate directory in an appropriate
 place, where you will download and install the packages from.