diff --git a/Dockerfile b/Dockerfile
index 7576ca3..aba9ded 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
-FROM ubuntu:latest
+FROM ubuntu:20.04
 ARG DEBIAN_FRONTEND=noninteractive
 RUN apt update && apt upgrade -y
-RUN apt-get -qq install python3.12-full pipenv -y
+RUN apt-get -qq install python3.9 python3.9-dev pipenv -y
 
diff --git a/Pipfile b/Pipfile
index 9db04f6..40d9366 100644
--- a/Pipfile
+++ b/Pipfile
@@ -10,4 +10,4 @@ pyinstaller = "*"
 [dev-packages]
 
 [requires]
-python_version = "3.12"
+python_version = "3.9"
diff --git a/compile b/compile
index ff73221..ed31389 100755
--- a/compile
+++ b/compile
@@ -3,6 +3,5 @@
 
 NAME="compile"
 
-
 docker buildx build . -t $NAME
 docker run -v $PWD:/opt/compile --rm -w "/opt/compile" $NAME bash -c "pipenv install;pipenv run pyinstaller -F src/vac.py"
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