diff --git a/build.sbt b/build.sbt
index 38ededd..5383b21 100644
--- a/build.sbt
+++ b/build.sbt
@@ -15,7 +15,7 @@ val jlineVersion = "3.30.16"
 val scalatestVersion = "3.2.20"
 val weaverVersion = "0.13.0"
 val hearthVersion = "0.4.1"
-val jsoniterScalaVersion = "2.39.1"
+val jsoniterScalaVersion = "2.40.1"
 
 val generateCompileBenchmarkSources = taskKey[Seq[File]]("Generate tracked compile benchmark sources")