diff --git a/Jenkinsfile b/Jenkinsfile
index 20e6984..2693ae2 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -96,9 +96,9 @@ pipeline {
                         // cat ~/.bashrc
                         sh """
                         sudo add-apt-repository ppa:deadsnakes/ppa -y && \
-                        sudo apt install python3.8 -y
-                        sudo update-alternatives --install /usr/bin/python python /usr/bin/python3.8 1
-                        sudo update-alternatives --config python
+                        sudo apt install python3.8 -y && \
+                        sudo update-alternatives --install /usr/bin/python python /usr/bin/python3.8 1 && \
+                        sudo update-alternatives --config python && \
                         python --version
                         python -m pip install pip --upgrade
                         sudo apt-get install python3-venv