diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 0000000..c85e9f1
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1,9 @@
+# These are the requirements for readthedoc
+sphinx
+sphinx_rtd_theme
+nbsphinx
+
+# Also requires `brew install pandoc` on Mac
+pandoc
+
+rstfmt