diff --git a/.readthedocs.yml b/.readthedocs.yml
new file mode 100644
index 0000000..29bb3e7
--- /dev/null
+++ b/.readthedocs.yml
@@ -0,0 +1,9 @@
+build:
+  image: latest
+
+requirements_file: docs/rtd_requirements.txt
+
+python:
+  version: 3.6
+  pip_install: false
+  setup_py_install: true
diff --git a/.rtd-requirements.txt b/.rtd-requirements.txt
deleted file mode 100644
index b8563d4..0000000
--- a/.rtd-requirements.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-# Extra requirements for RTD
-sunpy-sphinx-theme
diff --git a/doc/requirements.txt b/doc/rtd_requirements.txt
similarity index 57%
rename from doc/requirements.txt
rename to doc/rtd_requirements.txt
index d273c7c..62b66dc 100644
--- a/doc/requirements.txt
+++ b/doc/rtd_requirements.txt
@@ -2,3 +2,4 @@ six
 numpy
 pandas
 numpydoc
+sunpy-sphinx-theme