diff --git a/build.sbt b/build.sbt
index 54e32a4..5afaafc 100644
--- a/build.sbt
+++ b/build.sbt
@@ -29,7 +29,7 @@ lazy val `iam-user-cleanup` = (project in file("."))
     topLevelDirectory := None,
     maintainer := developers.value.head.email,
     libraryDependencies ++= {
-      val natchezVersion = "0.1.6"
+      val natchezVersion = "0.3.6"
       val feralVersion = "0.1.0-M9"
       val circeVersion = "0.14.2"
       val awsJavaSdkVersion = "2.17.129"