diff --git a/scripts/_common.sh b/scripts/_common.sh
index b998ffe..dfe1838 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -7,7 +7,7 @@
 #=================================================
 
 # nodejs version
-nodejs_version=18
+nodejs_version=20
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/upgrade b/scripts/upgrade
index 617af86..4ffd971 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -36,7 +36,7 @@ then
 	ynh_script_progression --message="Upgrading source files..." --weight=1
 
 	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$install_dir" --keep=".env"
+	ynh_setup_source --dest_dir="$install_dir" --full_replace=1
 fi
 
 chmod -R o-rwx "$install_dir"
diff --git a/tests.toml b/tests.toml
index eb73b8d..20bb109 100644
--- a/tests.toml
+++ b/tests.toml
@@ -1,3 +1,4 @@
 test_format = 1.0
 
-[default]
\ No newline at end of file
+[default]
+    test_upgrade_from.6c6179b.name = "1.3.4"