diff --git a/.github/workflows/build-docs.yml b/.github/workflows/build-docs.yml
index 49d67bc..97e3e43 100644
--- a/.github/workflows/build-docs.yml
+++ b/.github/workflows/build-docs.yml
@@ -29,10 +29,6 @@ jobs:
       - name: Install psignifit
         run: pip install .
 
-      - name: Install jupyter_book
-        shell: bash -l {0}
-        run: pip install -U git+https://github.com/ExecutableBookProject/jupyter-book.git@main
-
       - name: Build My Book
         shell: bash -l {0}
         run: jupyter-book build --warningiserror docs/
diff --git a/docs/requirements.txt b/docs/requirements.txt
index d5f5c6c..9313057 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,5 +1,5 @@
-- sphinx
-- numpy
-- matplotlib
-- sphinxcontrib-mermaid
-- jupyter-book
+sphinx
+numpy
+matplotlib
+sphinxcontrib-mermaid
+jupyter-book>=1.0,<2
diff --git a/psignifit/__init__.py b/psignifit/__init__.py
index 9f38de7..cbf2066 100644
--- a/psignifit/__init__.py
+++ b/psignifit/__init__.py
@@ -3,9 +3,6 @@
 Python psignifit - based on Matlab psignifit by Heiko Schütt with help from
 Felix Wichmann, Jakob Macke and Stefan Harmeling.
 """
-import os
-import subprocess
-
 # import here the main function
 from .psignifit import psignifit
 from .tools import pool_blocks
diff --git a/pyproject.toml b/pyproject.toml
index 3929504..1f8db03 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,10 +51,13 @@ docs = [
     "sphinx-gallery",
     "sphinx_rtd_theme",
     "matplotlib",
-    "jupyter-book==0.14",
+    "jupyter-book>=1.0,<2",
     "jupytext>=1.13.3",
     "jupyterlab_myst",
     "myst_nb",
     "ipywidgets",
     "sphinx-hoverxref",
 ]
+
+[tool.setuptools.packages.find]
+include = ["psignifit*"]