diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 74d1ea2..568123b 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -9,7 +9,7 @@ version: 2
 build:
   os: ubuntu-20.04
   tools:
-    python: '3.9'
+    python: '3.11'
     # You can also specify other tool versions:
     # nodejs: "16"
     # rust: "1.55"
@@ -22,8 +22,8 @@ sphinx:
   fail_on_warning: true
 
 # If using Sphinx, optionally build your docs in additional formats such as PDF
-formats:
-  - pdf
+# formats:
+#   - pdf
 
 # Optionally declare the Python requirements required to build your docs
 python:
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 08cd694..3db3ed8 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-myst_parser==0.18.0
+myst_parser
 jupyterlite-sphinx
 sphinx
 sphinx-rtd-theme