diff --git a/README.md b/README.md
index eb351d9d6..59b75db37 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ It allows to develop ontologies and to create ontological instances based on the
 
 # Installation
 
-It is recommended to use python 3.8 with a dedicated virtual environment for this package.
+It is recommended to use python 3.10 with a dedicated virtual environment for this package.
 Learn how to manage [python versions](https://github.com/pyenv/pyenv) and
 [virtual environments](https://realpython.com/python-virtual-environments-a-primer/).
 
diff --git a/dev-requirements.txt b/dev-requirements.txt
index 4e82c3866..8dff5778d 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.8
+# This file is autogenerated by pip-compile with Python 3.10
 # by the following command:
 #
 #    pip-compile --extra=dev --output-file=dev-requirements.txt pyproject.toml
@@ -26,10 +26,6 @@ attrs==23.1.0
     #   requests-cache
 backcall==0.2.0
     # via ipython
-backports-zoneinfo==0.2.1
-    # via
-    #   pytz-deprecation-shim
-    #   tzlocal
 blosc2==2.0.0
     # via tables
 build==1.0.3
@@ -147,15 +143,8 @@ imageio==2.27.0
     #   scikit-image
 importlib-metadata==6.8.0
     # via
-    #   build
     #   dask
     #   hyperspy
-    #   jupyter-client
-    #   numba
-importlib-resources==6.1.1
-    # via
-    #   matplotlib
-    #   radioactivedecay
 iniconfig==2.0.0
     # via pytest
 ipykernel==6.27.1
@@ -230,8 +219,6 @@ mypy==1.7.1
     # via pynxtools (pyproject.toml)
 mypy-extensions==1.0.0
     # via mypy
-nanonispy @ git+https://github.com/ramav87/nanonispy.git@a0da87c58482d29624a2bf5deecb763dd1274212
-    # via pynxtools (pyproject.toml)
 natsort==8.4.0
     # via hyperspy
 nest-asyncio==1.5.8
@@ -286,7 +273,6 @@ numpy==1.24.4
     #   kikuchipy
     #   lmfit
     #   matplotlib
-    #   nanonispy
     #   niondata
     #   nionswift
     #   nionswift-io
@@ -558,9 +544,7 @@ typing-extensions==4.8.0
     # via
     #   astroid
     #   cattrs
-    #   ipython
     #   mypy
-    #   pylint
 tzdata==2023.3
     # via
     #   pandas
@@ -591,9 +575,7 @@ zarr==2.16.1
 zipfile37==0.1.3
     # via pynxtools (pyproject.toml)
 zipp==3.17.0
-    # via
-    #   importlib-metadata
-    #   importlib-resources
+    # via importlib-metadata
 
 # The following packages are considered to be unsafe in a requirements file:
 # pip