diff --git a/CHANGELOG.md b/CHANGELOG.md
index 470c7fb..f2e2105 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+- update docker to python 3.11
 - update tooling
 - update lints
 - update ci/cd
diff --git a/Dockerfile b/Dockerfile
index 2eb8198..2810dbd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9
+FROM python:3.11
 
 EXPOSE 4785