diff --git a/docs/readme.txt b/docs/readme.txt
index 928648cee..d52e0ab4d 100644
--- a/docs/readme.txt
+++ b/docs/readme.txt
@@ -11,11 +11,7 @@ First, install a python virtual environment::
 
 Then install the sphinx libraries::
 
-    ./.venv/bin/pip3 install sphinx
-    ./.venv/bin/pip3 install sphinx_rtd_theme
-    ./.venv/bin/pip3 install sphinx_lesson
-    ./.venv/bin/pip3 install sphinxnotes
-
+    pip install -r requirements.txt
 
 The generatef html output is located in the `docs/build/html` subfolder,
 you can modify the target or the output type in the :file:`docs/Makefile`.
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 5ad92f7f8..6c073861a 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,2 +1,3 @@
 sphinx
 sphinx-lesson
+sphinxnotes-strike