diff --git a/doc/testing.md b/doc/testing.md
index 48e5a82f91..4ecd2b165a 100644
--- a/doc/testing.md
+++ b/doc/testing.md
@@ -42,9 +42,10 @@ val e = sttp.tapir.endpoint
 Convert any endpoint to `SttpBackendStub`:
 
 ```scala mdoc:silent
+import sttp.client3.Identity
 import sttp.client3.monad.IdMonad
 
-val backend = SttpBackendStub
+val backend: SttpBackendStub[Identity, Any] = SttpBackendStub
   .apply(IdMonad)
   .whenRequestMatchesEndpoint(e)
   .thenSuccess(ResponseWrapper(1.0))
@@ -57,7 +58,7 @@ effect can be used):
 import sttp.client3.Identity
 import sttp.client3.monad.IdMonad
 
-val anotherBackend = SttpBackendStub
+val anotherBackend: SttpBackendStub[Identity, Any] = SttpBackendStub
   .apply(IdMonad)
   .whenRequestMatchesEndpointThenLogic(e.serverLogic[Identity](_ => Right(ResponseWrapper(1.0))))
 ```
diff --git a/project/plugins.sbt b/project/plugins.sbt
index eb521406e2..48f90b4e03 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -5,7 +5,7 @@ addSbtPlugin("com.softwaremill.sbt-softwaremill" % "sbt-softwaremill-browser-tes
 //addSbtPlugin("io.spray" % "sbt-boilerplate" % "0.6.1")
 addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "1.0.1")
 addSbtPlugin("com.typesafe.sbt" % "sbt-twirl" % "1.5.1")
-addSbtPlugin("org.scalameta" % "sbt-mdoc" % "2.2.24")
+addSbtPlugin("org.scalameta" % "sbt-mdoc" % "2.3.0")
 addSbtPlugin("com.eed3si9n" % "sbt-projectmatrix" % "0.9.0")
 addSbtPlugin("org.jetbrains.scala" % "sbt-ide-settings" % "1.1.1")
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.8.0")