diff --git a/doc/source/conf.py b/doc/source/conf.py
index e575c92c6..d984c3174 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -50,6 +50,8 @@
     "ext_pyadi_iio",
 ]
 
+needs_extensions = {"adi_doctools": "0.3.36"}
+
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ["_templates"]
 
@@ -63,6 +65,15 @@
 coverage_ignore_classes = ["phy"]
 coverage_ignore_modules = ["test.dma_tests", "test.generics"]
 
+
+# -- External docs configuration ----------------------------------------------
+
+interref_repos = ["doctools"]
+
+# -- Custom extensions configuration ------------------------------------------
+
+hide_collapsible_content = True
+
 # -- Options for PDF output --------------------------------------------------
 if os.path.exists(os.path.join("_themes", "pdf_theme")):
     extensions.append("sphinx_simplepdf")