diff --git a/Jenkinsfile b/Jenkinsfile
index ea66af2..6bd913c 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,6 +1,9 @@
 pipeline {
     agent any
     triggers { pollSCM('H/2 * * * *') }
+    parameters {
+        string(name: 'GIT_BRANCH', defaultValue: 'wip/jenkinsfile', description: 'Git branch to use')
+    }
     stages{
         stage('unit test'){
             steps{