diff --git a/build.sbt b/build.sbt
index 380ccd4..d99b01a 100644
--- a/build.sbt
+++ b/build.sbt
@@ -8,7 +8,7 @@ val Versions = new {
   val http4s            = "0.23.30"
   val Scala             = "3.6.2"
   val skunk             = "1.0.0-M8"
-  val upickle           = "3.3.1"
+  val upickle           = "4.0.2"
   val scribe            = "3.15.3"
   val http4sDom         = "0.2.11"
   val jwt               = "10.0.1"