diff --git a/Dockerfile b/Dockerfile
index d9abea3d..e18c4bbf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.8-slim
+FROM python:3.13.0a3-slim
 
 WORKDIR /work
 COPY .github/.pre-commit-config-action.yaml .pre-commit-config.yaml