diff --git a/build.sbt b/build.sbt
index 1fbec53..6c3cb24 100644
--- a/build.sbt
+++ b/build.sbt
@@ -21,7 +21,7 @@ scalacOptions += "-target:jvm-1.8"
 javacOptions ++= Seq("-source", "8", "-target", "8")
 
 libraryDependencies ++= Seq(
-  "org.sangria-graphql" %% "sangria-marshalling-api" % "1.0.5",
+  "org.sangria-graphql" %% "sangria-marshalling-api" % "1.0.6",
   "software.amazon.ion" % "ion-java" % "1.5.1",
   "org.sangria-graphql" %% "sangria-marshalling-testkit" % "1.0.3" % Test,
   "org.scalatest" %% "scalatest" % "3.2.9" % Test