diff --git a/build.sbt b/build.sbt
index e12b109649..f978df4b9f 100644
--- a/build.sbt
+++ b/build.sbt
@@ -873,12 +873,12 @@ lazy val tethysJson: ProjectMatrix = (projectMatrix in file("json/tethys"))
     name := "tapir-json-tethys",
     libraryDependencies ++= Seq(
       "com.tethys-json" %% "tethys-core" % Versions.tethys,
-      "com.tethys-json" %% "tethys-jackson" % Versions.tethys,
+      "com.tethys-json" %% "tethys-jackson213" % Versions.tethys,
       scalaTest.value % Test,
       "com.tethys-json" %% "tethys-derivation" % Versions.tethys % Test
     )
   )
-  .jvmPlatform(scalaVersions = scala2Versions)
+  .jvmPlatform(scalaVersions = scala2And3Versions)
   .dependsOn(core)
 
 lazy val jsoniterScala: ProjectMatrix = (projectMatrix in file("json/jsoniter"))
diff --git a/project/Versions.scala b/project/Versions.scala
index 6d31a8cf9e..031a59fdb6 100644
--- a/project/Versions.scala
+++ b/project/Versions.scala
@@ -44,7 +44,7 @@ object Versions {
   val playServer = "3.0.3"
   val play29Client = "2.2.7"
   val play29Server = "2.9.3"
-  val tethys = "0.26.0"
+  val tethys = "0.28.3"
   val vertx = "4.5.8"
   val jsScalaJavaTime = "2.5.0"
   val nativeScalaJavaTime = "2.4.0-M3"