diff --git a/build.sbt b/build.sbt
index dd445b2..cc85cb1 100644
--- a/build.sbt
+++ b/build.sbt
@@ -208,7 +208,7 @@ lazy val json4s = project
   .settings(
     name := "tethys-json4s",
     libraryDependencies ++= Seq(
-      "org.json4s" %% "json4s-ast" % "4.0.6"
+      "org.json4s" %% "json4s-ast" % "4.0.7"
     )
   )
   .dependsOn(core)