diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 87e2684..6ba7a77 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -1,7 +1,18 @@
 version: 2
 
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+   configuration: content/conf.py
+
+# Optionally build your docs in additional formats such as PDF
+formats: all
+
+# Optionally set the version of Python and requirements required to build your docs
+python:
+  version: "3.7"
+  install:
+  - requirements: docs/requirements.txt
+
 submodules:
   include: all
   recursive: true
-
-formats: all
diff --git a/content/en_uhg b/content/en_uhg
index 4d37cd0..9fc3c07 160000
--- a/content/en_uhg
+++ b/content/en_uhg
@@ -1 +1 @@
-Subproject commit 4d37cd019b5fb86af84bc0dc9f5875e9df19802a
+Subproject commit 9fc3c079a3463112159949ca5705500fd785e39f
diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 0000000..93120e6
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1 @@
+docutils<0.18