diff --git a/Dockerfile b/Dockerfile
index 4243275a..698fd918 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.11.5-slim
+FROM python:3.11.5-slim@sha256:9bd704d713fde6cebdd54779c121da9c3ddd28808797e4f93d58af0050e8ba70
 
 RUN  apt-get update \
   && apt-get install -y wget \