diff --git a/build.sbt b/build.sbt
index 7758565209..e12b109649 100644
--- a/build.sbt
+++ b/build.sbt
@@ -886,8 +886,8 @@ lazy val jsoniterScala: ProjectMatrix = (projectMatrix in file("json/jsoniter"))
   .settings(
     name := "tapir-jsoniter-scala",
     libraryDependencies ++= Seq(
-      "com.github.plokhotnyuk.jsoniter-scala" %%% "jsoniter-scala-core" % "2.28.5",
-      "com.github.plokhotnyuk.jsoniter-scala" %%% "jsoniter-scala-macros" % "2.28.5" % Test,
+      "com.github.plokhotnyuk.jsoniter-scala" %%% "jsoniter-scala-core" % "2.29.0",
+      "com.github.plokhotnyuk.jsoniter-scala" %%% "jsoniter-scala-macros" % "2.29.0" % Test,
       scalaTest.value % Test
     )
   )
diff --git a/openapi-codegen/sbt-plugin/src/sbt-test/sbt-openapi-codegen/oneOf-json-roundtrip_jsoniter/build.sbt b/openapi-codegen/sbt-plugin/src/sbt-test/sbt-openapi-codegen/oneOf-json-roundtrip_jsoniter/build.sbt
index c3638aa11a..39588be5ce 100644
--- a/openapi-codegen/sbt-plugin/src/sbt-test/sbt-openapi-codegen/oneOf-json-roundtrip_jsoniter/build.sbt
+++ b/openapi-codegen/sbt-plugin/src/sbt-test/sbt-openapi-codegen/oneOf-json-roundtrip_jsoniter/build.sbt
@@ -11,8 +11,8 @@ libraryDependencies ++= Seq(
   "com.softwaremill.sttp.tapir" %% "tapir-openapi-docs" % "1.10.0",
   "com.softwaremill.sttp.apispec" %% "openapi-circe-yaml" % "0.8.0",
   "com.beachape" %% "enumeratum" % "1.7.3",
-  "com.github.plokhotnyuk.jsoniter-scala" %% "jsoniter-scala-core" % "2.28.5",
-  "com.github.plokhotnyuk.jsoniter-scala" %% "jsoniter-scala-macros" % "2.28.5" % "compile-internal",
+  "com.github.plokhotnyuk.jsoniter-scala" %% "jsoniter-scala-core" % "2.29.0",
+  "com.github.plokhotnyuk.jsoniter-scala" %% "jsoniter-scala-macros" % "2.29.0" % "compile-internal",
   "org.scalatest" %% "scalatest" % "3.2.18" % Test,
   "com.softwaremill.sttp.tapir" %% "tapir-sttp-stub-server" % "1.10.0" % Test
 )