diff --git a/Dockerfile b/Dockerfile
index 2be7134..c320cc6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.12-slim
+FROM python:3.15-slim
 ENV PYTHONDONTWRITEBYTECODE=1 PYTHONUNBUFFERED=1
 WORKDIR /app
 RUN addgroup --system semanticdiff && adduser --system --ingroup semanticdiff semanticdiff