diff --git a/.node-version b/.node-version
new file mode 100644
index 0000000..aa18c61
--- /dev/null
+++ b/.node-version
@@ -0,0 +1 @@
+16.17.1
\ No newline at end of file
diff --git a/Jenkinsfile b/Jenkinsfile
index cec5953..b4dc9f6 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -3,6 +3,8 @@ pipeline {
     stages {
         stage("install") {
             steps {
+                sh "fnm install"
+                sh "fnm use"
                 sh "npm install"
             }
         }