diff --git a/Dockerfile b/Dockerfile
index 62d4636b..ddae8ebf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -28,7 +28,7 @@
 #           docker-content-digest header, re-verified 2026-07-28.
 # Refresh: Dependabot's `docker` ecosystem (.github/dependabot.yml) opens a
 # PR when the tag moves; do not hand-edit without re-fetching the header.
-FROM python:3.14-slim@sha256:cea0e6040540fb2b965b6e7fb5ffa00871e632eef63719f0ea54bca189ce14a6 AS builder
+FROM python:3.14-slim@sha256:a7fb1e634c4a578f9e0bd6327f11a3cde11b7a9395f48e24360c0988bcc5c2bc AS builder
 
 WORKDIR /build
 
@@ -90,7 +90,7 @@ RUN pip install --no-cache-dir --require-hashes -r /tmp/packaging.txt && \
 
 # ── Runtime stage ────────────────────────────────────────────────────────
 
-FROM python:3.14-slim@sha256:cea0e6040540fb2b965b6e7fb5ffa00871e632eef63719f0ea54bca189ce14a6
+FROM python:3.14-slim@sha256:a7fb1e634c4a578f9e0bd6327f11a3cde11b7a9395f48e24360c0988bcc5c2bc
 
 LABEL org.opencontainers.image.source="https://github.com/cdeust/Cortex"
 LABEL org.opencontainers.image.description="Cortex — neuroscience-backed memory system for Claude Code (MCP)"