diff --git a/build-all.sh b/build-all.sh
index 13ec125..42beebb 100755
--- a/build-all.sh
+++ b/build-all.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 IMAGE_NAME="pcvolkmer/jenkins-slave-nodejs"
-LTS_VERSION="18"
+LTS_VERSION="20"
 LATEST_VERSION="21"
 
 for version in $(find . -maxdepth 1 -mindepth 1 -type d -printf '%f\n'); do