diff --git a/build.sbt b/build.sbt
index a43135b..2257655 100644
--- a/build.sbt
+++ b/build.sbt
@@ -2,10 +2,10 @@ name := "sbt-graphql"
 organization := "rocks.muki"
 sbtPlugin := true
 
-val circeVersion = "0.8.0"
+val circeVersion = "0.9.3"
 libraryDependencies ++= Seq(
   "org.sangria-graphql" %% "sangria" % "1.3.2",
-  "org.sangria-graphql" %% "sangria-circe" % "1.1.0",
+  "org.sangria-graphql" %% "sangria-circe" % "1.2.1",
   "io.circe" %% "circe-core" % circeVersion,
   "io.circe" %% "circe-parser" % circeVersion,
   "org.scalaj" %% "scalaj-http" % "2.3.0",