diff --git a/jenkins/client/approved_scripts.yml b/jenkins/client/approved_scripts.yml
index 190d9cb..70aa9e6 100644
--- a/jenkins/client/approved_scripts.yml
+++ b/jenkins/client/approved_scripts.yml
@@ -147,3 +147,4 @@
         - staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods reverse java.util.List
         - staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods getAt java.util.Collection java.lang.String
         - staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods init java.util.List
+        - staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods asBoolean java.lang.CharSequence