diff --git a/build.sbt b/build.sbt
index 7de95285ca..b358da9dd4 100644
--- a/build.sbt
+++ b/build.sbt
@@ -859,7 +859,7 @@ lazy val upickle = (projectMatrix in file("json/upickle"))
   .settings(
     name := "upickle",
     libraryDependencies ++= Seq(
-      "com.lihaoyi" %%% "upickle" % "3.3.0"
+      "com.lihaoyi" %%% "upickle" % "3.3.1"
     ),
     scalaTest,
     // using macroRW causes a "match may not be exhaustive" error