diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 1de5fb3..5efd212 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -22,3 +22,7 @@ sphinx:
 # formats:
 #   - pdf
 #   - epub
+
+python:
+  install:
+    - requirements: docs/requirements.txt
diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 0000000..7a21af7
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1 @@
+sphinx_rtd_theme==2.0