diff --git a/Dockerfile b/Dockerfile
index 09c767e..0eef30d 100755
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,5 @@
 FROM ubuntu:latest
+FROM python:3.9
 
 RUN apt-get update
 RUN apt-get install -y python3-pip
diff --git a/Jenkinsfile_train-sacred b/Jenkinsfile_train-sacred
index ba097a6..b0689e4 100644
--- a/Jenkinsfile_train-sacred
+++ b/Jenkinsfile_train-sacred
@@ -16,7 +16,7 @@ pipeline {
 	stage('Script'){
 		steps {
                         copyArtifacts filter: '*', projectName: 's444356-create-dataset'
-			sh "python Biblioteka_DL/dllib-sacred.py with "epochs=$EPOCHS""
+			sh 'python Biblioteka_DL/dllib-sacred.py with "epochs=$EPOCHS"'
 			archiveArtifacts artifacts: 'games_model.pkl, my_runs', followSymlinks: false
 			build job: 's444356-evaluation/master/'