diff --git a/Jenkinsfile b/Jenkinsfile
index 3471adf..3e775ef 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -92,6 +92,10 @@ node {
     try {
       stage('Checkout') {
         checkout scm
+          sh '''
+            git submodule sync --recursive
+            git submodule update --init --recursive
+          '''
       }
 
       stage('Check Canary Divergence') {