diff --git a/doc/requirements.txt b/doc/requirements.txt
new file mode 100644
index 0000000..b2064f8
--- /dev/null
+++ b/doc/requirements.txt
@@ -0,0 +1,5 @@
+Sphinx==4.5.0
+breathe==4.33.1
+exhale==0.3.1
+recommonmark==0.7.1
+sphinx-rtd-theme==1.0.0