diff --git a/Dockerfile b/Dockerfile
index 1ca26cd..6af7f56 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 #checkov:skip=CKV_DOCKER_2
 #checkov:skip=CKV_DOCKER_3
 #trivy:ignore:AVD-DS-0002
-FROM python:3.14.5-slim@sha256:c845af9399020c7e562969a13689e929074a10fd057acd1b1fad06a2fb068e97
+FROM python:3.15.0b2-slim@sha256:f6ca48766d9a3bc820c3d573073c98ba53ef027886b856cf059dd72aae9aa0b5
 LABEL org.opencontainers.image.source https://github.com/github-community-projects/evergreen
 
 WORKDIR /action/workspace