diff --git a/build.sbt b/build.sbt
index cb6cb15..9af12d3 100644
--- a/build.sbt
+++ b/build.sbt
@@ -11,7 +11,7 @@ val Versions = new {
 
   val munit = "1.1.1"
 
-  val upickle = "4.1.0"
+  val upickle = "4.4.0"
 }
 
 import bindgen.interface.*