diff --git a/ci/mkdocs/Dockerfile b/ci/mkdocs/Dockerfile
index df0825f..8856cc5 100644
--- a/ci/mkdocs/Dockerfile
+++ b/ci/mkdocs/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.11-slim
+FROM python:3.13-slim
 
 WORKDIR /build
 
@@ -7,5 +7,3 @@ RUN pip install --no-cache-dir mkdocs mkdocs-material mkdocs-minify-plugin
 COPY . .
 
 RUN mkdocs build
-
-CMD ["cp", "-r", "site", "/output"]