diff --git a/js/build.sbt b/js/build.sbt
index a496c4f..a7aae09 100644
--- a/js/build.sbt
+++ b/js/build.sbt
@@ -8,7 +8,7 @@ libraryDependencies += "com.thoughtworks.binding" %%% "bindable" % "3.0.0"
 
 libraryDependencies += "com.thoughtworks.binding" %%% "latestevent" % "2.0.0"
 
-libraryDependencies += "com.lihaoyi" %%% "upickle" % "2.0.0"
+libraryDependencies += "com.lihaoyi" %%% "upickle" % "4.4.0"
 
 scalacOptions += "-Ymacro-annotations"