diff --git a/build.sbt b/build.sbt
index 317e574..ca8d62c 100644
--- a/build.sbt
+++ b/build.sbt
@@ -9,7 +9,7 @@ val Versions = new {
   val http4s            = "0.23.18"
   val Scala             = "3.2.2"
   val skunk             = "0.5.1"
-  val upickle           = "2.0.0"
+  val upickle           = "4.0.2"
   val scribe            = "3.11.1"
   val http4sDom         = "0.2.7"
   val jwt               = "9.2.0"