diff --git a/doc/source/install.rst b/doc/source/install.rst
index eec1793..af4a5ed 100644
--- a/doc/source/install.rst
+++ b/doc/source/install.rst
@@ -36,34 +36,8 @@ Then it can be built with:
     pip install .
 
 
-Optional Backend Dependencies
------------------------------
-
-The various program representation backend that can be used are to
-be installed separately (in the same virtualenv than QBinDiff).
-
-Available backends are:
+This will install also all the following backend loaders:
 
 - `Quokka <https://github.com/quarkslab/quokka>`_, provided by Quarkslab
-
-..  code-block:: bash
-
-    pip install qbindiff[quokka]
-
 - `BinExport <https://github.com/google/binexport>`_ , developed by Google. Through the python bindings provided by Quarkslab with `python-binexport <https://github.com/quarkslab/python-binexport>`_
-
-..  code-block:: bash
-
-    pip install qbindiff[binexport]
-
 - IDA Pro (to be used directly within IDA) through `idascript <https://github.com/quarkslab/idascript>`_.
-
-..  code-block:: bash
-
-    pip install qbindiff[ida]
-
-You can install multiple backend loaders by using a comma to separate them. Ex:
-
-.. code-block:: bash
-
-    pip install qbindiff[quokka,binexport,ida]
diff --git a/pyproject.toml b/pyproject.toml
index dcc37b8..4d54dce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,6 +32,9 @@ dependencies = [
     "python-louvain",
     "enum_tools",
     "python-bindiff",
+    "python-binexport",
+    "quokka-project",
+    "idascript",
 ]
 dynamic = ["version"]
 
@@ -41,9 +44,6 @@ Repository = "https://github.com/quarkslab/qbindiff"
 Documentation = "https://github.com/quarkslab/qbindiff"
 
 [project.optional-dependencies]
-binexport = ["python-binexport"]
-quokka = ["quokka-project"]
-ida = ["idascript"]
 doc = [
     "sphinx>=7,<7.2.0",
     "sphinx-design",