diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 0000000..d463598
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1,4 @@
+sphinx==4.4.0
+sphinxcontrib_trio==1.1.2
+sphinxcontrib-websupport
+typing-extensions