diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 60db6e605..dd2ba45a6 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -5,6 +5,9 @@
 # Required
 version: 2
 
+build:
+  os: "ubuntu-22.04"
+
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
   configuration: docs/source/conf.py
diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 000000000..b61661a3f
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1,4 @@
+# Defining the exact version will make sure things don't break
+sphinx==5.3.0
+sphinx_rtd_theme==1.1.1
+readthedocs-sphinx-search==0.3.2
\ No newline at end of file