diff --git a/resources/install_apt.sh b/resources/install_apt.sh
index 701f041..c36761c 100755
--- a/resources/install_apt.sh
+++ b/resources/install_apt.sh
@@ -9,4 +9,6 @@ wget https://raw.githubusercontent.com/Mips2648/dependance.lib/master/pyenv.lib
 . ${BASE_DIR}/pyenv.lib
 ##################################################################
 
+TARGET_PYTHON_VERSION="3.9"
+
 launchInstall
\ No newline at end of file