diff --git a/build.sbt b/build.sbt
index ee3642db37..368b210d6f 100644
--- a/build.sbt
+++ b/build.sbt
@@ -532,8 +532,8 @@ lazy val jsoniterScala: ProjectMatrix = (projectMatrix in file("json/jsoniter"))
   .settings(
     name := "tapir-jsoniter-scala",
     libraryDependencies ++= Seq(
-      "com.github.plokhotnyuk.jsoniter-scala" %%% "jsoniter-scala-core" % "2.8.2",
-      "com.github.plokhotnyuk.jsoniter-scala" %%% "jsoniter-scala-macros" % "2.8.2" % Test,
+      "com.github.plokhotnyuk.jsoniter-scala" %%% "jsoniter-scala-core" % "2.9.0",
+      "com.github.plokhotnyuk.jsoniter-scala" %%% "jsoniter-scala-macros" % "2.9.0" % Test,
       scalaTest.value % Test
     )
   )