diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 29c7552..954b803 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -14,7 +14,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: [ '3.8', '3.9', '3.10', '3.11' ]
+        python-version: [ '3.8', '3.9', '3.10', '3.11']
 
     steps:
       - uses: actions/checkout@v4
diff --git a/Dockerfile b/Dockerfile
index b81fa00..cf505f7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9
+FROM python:3.11
 ENV PYTHONUNBUFFERED 1
 
 RUN apt-get clean && apt-get update