diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index db49269..b0d1972 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -22,3 +22,4 @@ sphinx:
 python:
    install:
    - requirements: requirements.txt
+   - requirements: docs/requirements-docs.txt
diff --git a/docs/requirements-docs.txt b/docs/requirements-docs.txt
new file mode 100644
index 0000000..483a4e9
--- /dev/null
+++ b/docs/requirements-docs.txt
@@ -0,0 +1 @@
+sphinx_rtd_theme