diff --git a/readthedocs-pip-requirements.txt b/readthedocs-pip-requirements.txt
new file mode 100644
index 0000000..b07a665
--- /dev/null
+++ b/readthedocs-pip-requirements.txt
@@ -0,0 +1,2 @@
+sphinx>=1.6.6
+sphinxcontrib-napoleon>=0.6.1
\ No newline at end of file