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 6b8fc5bc6a..81e895e2e9 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" % "1.7.5",
-  "com.github.plokhotnyuk.jsoniter-scala" %% "jsoniter-scala-core" % "2.31.1",
-  "com.github.plokhotnyuk.jsoniter-scala" %% "jsoniter-scala-macros" % "2.31.1" % "compile-internal",
+  "com.github.plokhotnyuk.jsoniter-scala" %% "jsoniter-scala-core" % "2.31.3",
+  "com.github.plokhotnyuk.jsoniter-scala" %% "jsoniter-scala-macros" % "2.31.3" % "compile-internal",
   "org.scalatest" %% "scalatest" % "3.2.19" % Test,
   "com.softwaremill.sttp.tapir" %% "tapir-sttp-stub-server" % "1.10.0" % Test
 )
diff --git a/openapi-codegen/sbt-plugin/src/sbt-test/sbt-openapi-codegen/oneOf-json-roundtrip_jsoniter_scala3/build.sbt b/openapi-codegen/sbt-plugin/src/sbt-test/sbt-openapi-codegen/oneOf-json-roundtrip_jsoniter_scala3/build.sbt
index 199b4caa1f..82212cd835 100644
--- a/openapi-codegen/sbt-plugin/src/sbt-test/sbt-openapi-codegen/oneOf-json-roundtrip_jsoniter_scala3/build.sbt
+++ b/openapi-codegen/sbt-plugin/src/sbt-test/sbt-openapi-codegen/oneOf-json-roundtrip_jsoniter_scala3/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" % "1.7.5",
-  "com.github.plokhotnyuk.jsoniter-scala" %% "jsoniter-scala-core" % "2.31.1",
-  "com.github.plokhotnyuk.jsoniter-scala" %% "jsoniter-scala-macros" % "2.31.1" % "compile-internal",
+  "com.github.plokhotnyuk.jsoniter-scala" %% "jsoniter-scala-core" % "2.31.3",
+  "com.github.plokhotnyuk.jsoniter-scala" %% "jsoniter-scala-macros" % "2.31.3" % "compile-internal",
   "org.scalatest" %% "scalatest" % "3.2.19" % Test,
   "com.softwaremill.sttp.tapir" %% "tapir-sttp-stub-server" % "1.10.0" % Test
 )
diff --git a/project/Versions.scala b/project/Versions.scala
index a91da46eaf..f012a870d8 100644
--- a/project/Versions.scala
+++ b/project/Versions.scala
@@ -66,5 +66,5 @@ object Versions {
   val nettyAll = "4.1.114.Final"
   val logback = "1.5.12"
   val slf4j = "2.0.16"
-  val jsoniter = "2.31.1"
+  val jsoniter = "2.31.3"
 }