diff --git a/Docker/Dockerfile b/Docker/Dockerfile
index 3019354dc994cca72245e7304e3b5e3076981fcc..1c67fe4191987e7e13a880192093711613926bf8 100644
--- a/Docker/Dockerfile
+++ b/Docker/Dockerfile
@@ -4,7 +4,8 @@ COPY prefactor/scripts/* /opt/lofar/scripts/
 COPY prefactor/skymodels/* /data/skymodels/
 COPY prefactor/rfistrategies/* /data/rfistrategies/
 COPY prefactor/solutions/ /data/solutions/*
-RUN apt update && apt install -y vim python3-numpy
+RUN apt update && apt install -y vim 
+RUN pip3 install --upgrade pip && pip3 install --upgrade numpy scipy
 RUN ln -sf /opt/lofar/scripts/* /usr/local/bin/
 
 RUN chmod +rx /usr/local/bin/*
diff --git a/Docker/build_docker.sh b/Docker/build_docker.sh
index 82c8963f9a5d34980555822cbd168ebcc3ea757a..58f6f1ae776d7c828c871fee958d87bb7cde738a 100755
--- a/Docker/build_docker.sh
+++ b/Docker/build_docker.sh
@@ -13,7 +13,7 @@ git_clone_or_pull () {
     fi
 }
 
-Prefactor_TAG=master
+Prefactor_TAG=production
 
 # FETCHES Prefactor
 git_clone_or_pull https://github.com/lofar-astron/prefactor.git ${Prefactor_TAG} prefactor