diff --git a/build.sbt b/build.sbt
index a79eb2fa3b..b0a71eeba9 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1128,7 +1128,7 @@ lazy val zioHttpServer: ProjectMatrix = (projectMatrix in file("server/zio-http-
   .settings(commonJvmSettings)
   .settings(
     name := "tapir-zio-http-server",
-    libraryDependencies ++= Seq("dev.zio" %% "zio-interop-cats" % Versions.zioInteropCats % Test, "io.d11" %% "zhttp" % "2.0.0-RC4")
+    libraryDependencies ++= Seq("dev.zio" %% "zio-interop-cats" % Versions.zioInteropCats % Test, "io.d11" %% "zhttp" % "2.0.0-RC6")
   )
   .jvmPlatform(scalaVersions = scala2And3Versions)
   .dependsOn(serverCore, zio, serverTests % Test)