diff --git a/Dockerfile_npmts b/Dockerfile_npmts
index 3ba202e..674982d 100644
--- a/Dockerfile_npmts
+++ b/Dockerfile_npmts
@@ -1,7 +1,4 @@
 FROM hosttoday/ht-docker-node:npmci
-RUN npmci install stable
-RUN npm install -g npmts
-RUN npmci install legacy
-RUN npm install -g npmts
-RUN npmci install lts
-RUN npm install -g npmts
+RUN npmci install stable && npm install -g npmts && npmts -v \
+    npmci install legacy && npm install -g npmts && npmts -v \
+    npmci install lts && npm install -g npmts && npmts -v