diff --git a/Dockerfile b/Dockerfile
index 137c8a0076..9a6237294c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # User guide build environment.
-FROM python:3.10 AS user_guide_builder
+FROM python:3.11 AS user_guide_builder
 
 ENV PYTHONDONTWRITEBYTECODE 1
 ENV PYTHONUNBUFFERED 1