diff --git a/backend/Dockerfile b/backend/Dockerfile
index 777cb63..b670e70 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -6,7 +6,7 @@ RUN npm ci --no-audit --no-fund
 COPY web/ ./
 RUN npm run build
 
-FROM python:3.12.12-slim-trixie
+FROM python:3.12.15-slim-trixie
 RUN apt-get update && apt-get install -y --no-install-recommends git ca-certificates \
  && rm -rf /var/lib/apt/lists/* \
  && groupadd --gid 1000 localcode \