diff --git a/Dockerfile b/Dockerfile
index d5ad224..4795b68 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.12-alpine@sha256:7130f75b1bb16c7c5d802782131b4024fe3d7a87ce7d936e8948c2d2e0180bc4
+FROM python:3.13-alpine@sha256:81362dd1ee15848b118895328e56041149e1521310f238ed5b2cdefe674e6dbf
 
 LABEL org.opencontainers.image.source=https://github.com/reecetech/cfn-lint-action