diff --git a/Dockerfile b/Dockerfile
index ce7b731..0dde4be 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,5 @@
-FROM python:3
+# Python 3.9.6
+FROM python@sha256:736b76eb3f64778646ce0051fb5fed4dfbf67016e51563946230ca8bb40ac687
 ENV PYTHONUNBUFFERED 1
 ADD . /code
 WORKDIR /code
diff --git a/docker-compose.yml b/docker-compose.yml
index 2ae68ba..d58a352 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -11,6 +11,7 @@ services:
 
   web:
     image: nebucatnetzer/network_inventory
+    # build: .
     volumes:
       - .:/code
     environment: