diff --git a/Dockerfile b/Dockerfile
index ca4a0e7..492864d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.7-slim
+FROM python:3.11-slim
 
 RUN pip install tier-mkdocs-techdocs-core==0.0.10