diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 10614fe9..61dc9901 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -17,3 +17,7 @@ sphinx:
 # Build documentation with MkDocs
 #mkdocs:
 #  configuration: mkdocs.yml
+
+python:
+  install:
+    - requirements: docs/requirements.txt
diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 00000000..7732324e
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1,4 @@
+sphinx==4.3.2
+sphinx-rtd-theme==1.3.0
+sphinx-autobuild==2021.3.14
+sphinx-intl==2.1.0