diff --git a/jenkins/client/approved_scripts.yml b/jenkins/client/approved_scripts.yml
index 72aa415..f15b370 100644
--- a/jenkins/client/approved_scripts.yml
+++ b/jenkins/client/approved_scripts.yml
@@ -143,6 +143,7 @@
         - staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods hasProperty java.lang.Object java.lang.String
         - staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods init java.util.List
         - staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods intersect java.util.List java.lang.Iterable
+        - staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods isInteger java.lang.String
         - staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods iterator java.lang.Object
         - staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods iterator java.lang.Object[]
         - staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods leftShift java.lang.StringBuffer java.lang.Object
@@ -159,6 +160,7 @@
         - staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods split java.lang.String
         - staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods takeRight java.util.List int
         - staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods toBoolean java.lang.Boolean
+        - staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods toInteger java.lang.String
         - staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods toSorted java.lang.Iterable
         - staticMethod org.codehaus.groovy.runtime.EncodingGroovyMethods encodeBase64 byte[]
         - staticMethod org.codehaus.groovy.runtime.ScriptBytecodeAdapter bitwiseNegate java.lang.Object