diff --git a/build.sc b/build.sc
index a5ecf56..0db63b8 100644
--- a/build.sc
+++ b/build.sc
@@ -35,7 +35,7 @@ object sclin
     ivy"org.typelevel::spire:0.18.0",
     ivy"com.lihaoyi::mainargs:0.7.5",
     ivy"com.lihaoyi::fansi:0.5.0",
-    ivy"com.lihaoyi::upickle:4.0.1",
+    ivy"com.lihaoyi::upickle:4.0.2",
     ivy"com.lihaoyi::os-lib:0.10.7",
     ivy"io.monix::monix:3.4.1",
     ivy"io.monix::monix-nio:0.1.0",