diff --git a/Dockerfile b/Dockerfile
index 250a1ed..10bbc2c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,7 @@ RUN npm ci
 COPY frontend/ ./
 RUN npm run build
 
-FROM python:3.11-slim@sha256:e031123e3d85762b141ad1cbc56452ba69c6e722ebf2f042cc0dc86c47c0d8b3
+FROM python:3.11-slim@sha256:db3ff2e1800a8581e2c48a27c3995339d47bdf046da21c7627accd3d51053a93
 
 # Debian package revisions vary by architecture; the base image is immutable and
 # Dependabot advances its digest so rebuilds pick up the matching security set.