diff --git a/Jenkinsfile b/Jenkinsfile
index cf23372..6aefb34 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,4 +1,5 @@
 #!groovy
+import org.yaml.snakeyaml.Yaml
 
 /**
  * Deploy components to the D4Science Infrastructure (dev-only)