diff --git a/{{cookiecutter.project_slug}}/Dockerfile b/{{cookiecutter.project_slug}}/Dockerfile
index 2753c18b3..ca5de2d35 100644
--- a/{{cookiecutter.project_slug}}/Dockerfile
+++ b/{{cookiecutter.project_slug}}/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:experimental
 
-FROM python:3.9.5-slim@sha256:8349e052ebd0c3ae4171ae0257a666ccce893f77d28896db83e3a719499603ba
+FROM python:3.9.5-slim@sha256:b9f31c700254bc13df8923352b9b0660e8c81db9bc676747509b561eee0ca3f5
 
 LABEL maintainer="{{cookiecutter.author}} <{{cookiecutter.email}}>"
 ENV LANG C.UTF-8