diff --git a/Dockerfile b/Dockerfile
index 8736407..fb4982a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.14.6-slim
+FROM python:3.15.0rc1-slim
 
 RUN apt-get update && apt-get install -yq make gettext