diff --git a/Dockerfile b/Dockerfile
index 830d54e..51c2dde 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@sha256:57d03f82306c37645b128f6474ea6459510670409965dbf7bd2a816876ccde87
 LABEL com.github.actions.name="stale-repos" \
     com.github.actions.description="Find stale repositories in a GitHub organization." \
     com.github.actions.icon="check-square" \